commit b50de427665f27ae86a44e71924a944559f99219
Author: DengBiao <2319963317@qq.com>
Date:   Fri Mar 3 14:29:28 2023 +0800

    add Reverse: for v0.0.1

diff --git a/go-gpt3/.gitignore b/go-gpt3/.gitignore
new file mode 100644
index 0000000..99b40bf
--- /dev/null
+++ b/go-gpt3/.gitignore
@@ -0,0 +1,19 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Auth token for tests
+.openai-token
+.idea
\ No newline at end of file
diff --git a/go-gpt3/.golangci.yml b/go-gpt3/.golangci.yml
new file mode 100644
index 0000000..58fab4a
--- /dev/null
+++ b/go-gpt3/.golangci.yml
@@ -0,0 +1,272 @@
+## Golden config for golangci-lint v1.47.3
+#
+# This is the best config for golangci-lint based on my experience and opinion.
+# It is very strict, but not extremely strict.
+# Feel free to adopt and change it for your needs.
+
+run:
+  # Timeout for analysis, e.g. 30s, 5m.
+  # Default: 1m
+  timeout: 3m
+
+
+# This file contains only configs which differ from defaults.
+# All possible options can be found here https://github.com/golangci/golangci-lint/blob/master/.golangci.reference.yml
+linters-settings:
+  cyclop:
+    # The maximal code complexity to report.
+    # Default: 10
+    max-complexity: 30
+    # The maximal average package complexity.
+    # If it's higher than 0.0 (float) the check is enabled
+    # Default: 0.0
+    package-average: 10.0
+
+  errcheck:
+    # Report about not checking of errors in type assertions: `a := b.(MyStruct)`.
+    # Such cases aren't reported by default.
+    # Default: false
+    check-type-assertions: true
+
+  funlen:
+    # Checks the number of lines in a function.
+    # If lower than 0, disable the check.
+    # Default: 60
+    lines: 100
+    # Checks the number of statements in a function.
+    # If lower than 0, disable the check.
+    # Default: 40
+    statements: 50
+
+  gocognit:
+    # Minimal code complexity to report
+    # Default: 30 (but we recommend 10-20)
+    min-complexity: 20
+
+  gocritic:
+    # Settings passed to gocritic.
+    # The settings key is the name of a supported gocritic checker.
+    # The list of supported checkers can be find in https://go-critic.github.io/overview.
+    settings:
+      captLocal:
+        # Whether to restrict checker to params only.
+        # Default: true
+        paramsOnly: false
+      underef:
+        # Whether to skip (*x).method() calls where x is a pointer receiver.
+        # Default: true
+        skipRecvDeref: false
+
+  gomnd:
+    # List of function patterns to exclude from analysis.
+    # Values always ignored: `time.Date`
+    # Default: []
+    ignored-functions:
+      - os.Chmod
+      - os.Mkdir
+      - os.MkdirAll
+      - os.OpenFile
+      - os.WriteFile
+      - prometheus.ExponentialBuckets
+      - prometheus.ExponentialBucketsRange
+      - prometheus.LinearBuckets
+      - strconv.FormatFloat
+      - strconv.FormatInt
+      - strconv.FormatUint
+      - strconv.ParseFloat
+      - strconv.ParseInt
+      - strconv.ParseUint
+
+  gomodguard:
+    blocked:
+      # List of blocked modules.
+      # Default: []
+      modules:
+        - github.com/golang/protobuf:
+            recommendations:
+              - google.golang.org/protobuf
+            reason: "see https://developers.google.com/protocol-buffers/docs/reference/go/faq#modules"
+        - github.com/satori/go.uuid:
+            recommendations:
+              - github.com/google/uuid
+            reason: "satori's package is not maintained"
+        - github.com/gofrs/uuid:
+            recommendations:
+              - github.com/google/uuid
+            reason: "see recommendation from dev-infra team: https://confluence.gtforge.com/x/gQI6Aw"
+
+  govet:
+    # Enable all analyzers.
+    # Default: false
+    enable-all: true
+    # Disable analyzers by name.
+    # Run `go tool vet help` to see all analyzers.
+    # Default: []
+    disable:
+      - fieldalignment # too strict
+    # Settings per analyzer.
+    settings:
+      shadow:
+        # Whether to be strict about shadowing; can be noisy.
+        # Default: false
+        strict: true
+
+  nakedret:
+    # Make an issue if func has more lines of code than this setting, and it has naked returns.
+    # Default: 30
+    max-func-lines: 0
+
+  nolintlint:
+    # Exclude following linters from requiring an explanation.
+    # Default: []
+    allow-no-explanation: [ funlen, gocognit, lll ]
+    # Enable to require an explanation of nonzero length after each nolint directive.
+    # Default: false
+    require-explanation: true
+    # Enable to require nolint directives to mention the specific linter being suppressed.
+    # Default: false
+    require-specific: true
+
+  rowserrcheck:
+    # database/sql is always checked
+    # Default: []
+    packages:
+      - github.com/jmoiron/sqlx
+
+  tenv:
+    # The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
+    # Otherwise, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
+    # Default: false
+    all: true
+
+  varcheck:
+    # Check usage of exported fields and variables.
+    # Default: false
+    exported-fields: false # default false # TODO: enable after fixing false positives
+
+
+linters:
+  disable-all: true
+  enable:
+    ## enabled by default
+    - errcheck # Errcheck is a program for checking for unchecked errors in go programs. These unchecked errors can be critical bugs in some cases
+    - gosimple # Linter for Go source code that specializes in simplifying a code
+    - govet # Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
+    - ineffassign # Detects when assignments to existing variables are not used
+    - staticcheck # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
+    - typecheck # Like the front-end of a Go compiler, parses and type-checks Go code
+    - unused # Checks Go code for unused constants, variables, functions and types
+    ## disabled by default
+    # - asasalint # Check for pass []any as any in variadic func(...any)
+    - asciicheck # Simple linter to check that your code does not contain non-ASCII identifiers
+    - bidichk # Checks for dangerous unicode character sequences
+    - bodyclose # checks whether HTTP response body is closed successfully
+    - contextcheck # check the function whether use a non-inherited context
+    - cyclop # checks function and package cyclomatic complexity
+    - dupl # Tool for code clone detection
+    - durationcheck # check for two durations multiplied together
+    - errname # Checks that sentinel errors are prefixed with the Err and error types are suffixed with the Error.
+    - errorlint # errorlint is a linter for that can be used to find code that will cause problems with the error wrapping scheme introduced in Go 1.13.
+    - execinquery # execinquery is a linter about query string checker in Query function which reads your Go src files and warning it finds
+    - exhaustive # check exhaustiveness of enum switch statements
+    - exportloopref # checks for pointers to enclosing loop variables
+    - forbidigo # Forbids identifiers
+    - funlen # Tool for detection of long functions
+    # - gochecknoglobals # check that no global variables exist
+    - gochecknoinits # Checks that no init functions are present in Go code
+    - gocognit # Computes and checks the cognitive complexity of functions
+    - goconst # Finds repeated strings that could be replaced by a constant
+    - gocritic # Provides diagnostics that check for bugs, performance and style issues.
+    - gocyclo # Computes and checks the cyclomatic complexity of functions
+    - godot # Check if comments end in a period
+    - goimports # In addition to fixing imports, goimports also formats your code in the same style as gofmt.
+    - gomnd # An analyzer to detect magic numbers.
+    - gomoddirectives # Manage the use of 'replace', 'retract', and 'excludes' directives in go.mod.
+    - gomodguard # Allow and block list linter for direct Go module dependencies. This is different from depguard where there are different block types for example version constraints and module recommendations.
+    - goprintffuncname # Checks that printf-like functions are named with f at the end
+    - gosec # Inspects source code for security problems
+    - lll # Reports long lines
+    - makezero # Finds slice declarations with non-zero initial length
+    # - nakedret # Finds naked returns in functions greater than a specified function length
+    - nestif # Reports deeply nested if statements
+    - nilerr # Finds the code that returns nil even if it checks that the error is not nil.
+    - nilnil # Checks that there is no simultaneous return of nil error and an invalid value.
+    # - noctx # noctx finds sending http request without context.Context
+    - nolintlint # Reports ill-formed or insufficient nolint directives
+    # - nonamedreturns # Reports all named returns
+    - nosprintfhostport # Checks for misuse of Sprintf to construct a host with port in a URL.
+    - predeclared # find code that shadows one of Go's predeclared identifiers
+    - promlinter # Check Prometheus metrics naming via promlint
+    - revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint.
+    - rowserrcheck # checks whether Err of rows is checked successfully
+    - sqlclosecheck # Checks that sql.Rows and sql.Stmt are closed.
+    - stylecheck # Stylecheck is a replacement for golint
+    - tenv # tenv is analyzer that detects using os.Setenv instead of t.Setenv since Go1.17
+    - testpackage # linter that makes you use a separate _test package
+    - tparallel # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
+    - unconvert # Remove unnecessary type conversions
+    - unparam # Reports unused function parameters
+    - wastedassign # wastedassign finds wasted assignment statements.
+    - whitespace # Tool for detection of leading and trailing whitespace
+    ## you may want to enable
+    #- decorder # check declaration order and count of types, constants, variables and functions
+    #- exhaustruct # Checks if all structure fields are initialized
+    #- goheader # Checks is file header matches to pattern
+    #- ireturn # Accept Interfaces, Return Concrete Types
+    #- prealloc # [premature optimization, but can be used in some cases] Finds slice declarations that could potentially be preallocated
+    #- varnamelen # [great idea, but too many false positives] checks that the length of a variable's name matches its scope
+    #- wrapcheck # Checks that errors returned from external packages are wrapped
+    ## disabled
+    #- containedctx # containedctx is a linter that detects struct contained context.Context field
+    #- depguard # [replaced by gomodguard] Go linter that checks if package imports are in a list of acceptable packages
+    #- dogsled # Checks assignments with too many blank identifiers (e.g. x, _, _, _, := f())
+    #- errchkjson # [don't see profit + I'm against of omitting errors like in the first example https://github.com/breml/errchkjson] Checks types passed to the json encoding functions. Reports unsupported types and optionally reports occasions, where the check for the returned error can be omitted.
+    #- forcetypeassert # [replaced by errcheck] finds forced type assertions
+    #- gci # Gci controls golang package import order and makes it always deterministic.
+    #- godox # Tool for detection of FIXME, TODO and other comment keywords
+    #- goerr113 # [too strict] Golang linter to check the errors handling expressions
+    #- gofmt # [replaced by goimports] Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification
+    #- gofumpt # [replaced by goimports, gofumports is not available yet] Gofumpt checks whether code was gofumpt-ed.
+    #- grouper # An analyzer to analyze expression groups.
+    #- ifshort # Checks that your code uses short syntax for if-statements whenever possible
+    #- importas # Enforces consistent import aliases
+    #- maintidx # maintidx measures the maintainability index of each function.
+    #- misspell # [useless] Finds commonly misspelled English words in comments
+    #- nlreturn # [too strict and mostly code is not more readable] nlreturn checks for a new line before return and branch statements to increase code clarity
+    #- nosnakecase # Detects snake case of variable naming and function name. # TODO: maybe enable after https://github.com/sivchari/nosnakecase/issues/14
+    #- paralleltest # [too many false positives] paralleltest detects missing usage of t.Parallel() method in your Go test
+    #- tagliatelle # Checks the struct tags.
+    #- thelper # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers
+    #- wsl # [too strict and mostly code is not more readable] Whitespace Linter - Forces you to use empty lines!
+    ## deprecated
+    #- exhaustivestruct # [deprecated, replaced by exhaustruct] Checks if all struct's fields are initialized
+    #- golint # [deprecated, replaced by revive] Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes
+    #- interfacer # [deprecated] Linter that suggests narrower interface types
+    #- maligned # [deprecated, replaced by govet fieldalignment] Tool to detect Go structs that would take less memory if their fields were sorted
+    #- scopelint # [deprecated, replaced by exportloopref] Scopelint checks for unpinned variables in go programs
+
+
+issues:
+  # Maximum count of issues with the same text.
+  # Set to 0 to disable.
+  # Default: 3
+  max-same-issues: 50
+
+  exclude-rules:
+    - source: "^//\\s*go:generate\\s"
+      linters: [ lll ]
+    - source: "(noinspection|TODO)"
+      linters: [ godot ]
+    - source: "//noinspection"
+      linters: [ gocritic ]
+    - source: "^\\s+if _, ok := err\\.\\([^.]+\\.InternalError\\); ok {"
+      linters: [ errorlint ]
+    - path: "_test\\.go"
+      linters:
+        - bodyclose
+        - dupl
+        - funlen
+        - goconst
+        - gosec
+        - noctx
+        - wrapcheck
diff --git a/go-gpt3/LICENSE b/go-gpt3/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/go-gpt3/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+      any Contribution intentionally submitted for inclusion in the Work
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diff --git a/go-gpt3/Makefile b/go-gpt3/Makefile
new file mode 100644
index 0000000..2e608aa
--- /dev/null
+++ b/go-gpt3/Makefile
@@ -0,0 +1,35 @@
+##@ General
+
+# The help target prints out all targets with their descriptions organized
+# beneath their categories. The categories are represented by '##@' and the
+# target descriptions by '##'. The awk commands is responsible for reading the
+# entire set of makefiles included in this invocation, looking for lines of the
+# file as xyz: ## something, and then pretty-format the target and help. Then,
+# if there's a line with ##@ something, that gets pretty-printed as a category.
+# More info on the usage of ANSI control characters for terminal formatting:
+# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
+# More info on the awk command:
+# http://linuxcommand.org/lc3_adv_awk.php
+
+.PHONY: help
+help: ## Display this help.
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+
+##@ Development
+
+.PHONY: test
+TEST_ARGS ?= -v
+TEST_TARGETS ?= ./...
+test: ## Test the Go modules within this package.
+	@ echo ▶️ go test $(TEST_ARGS) $(TEST_TARGETS)
+	go test $(TEST_ARGS) $(TEST_TARGETS)
+	@ echo ✅ success!
+
+
+.PHONY: lint
+LINT_TARGETS ?= ./...
+lint: ## Lint Go code with the installed golangci-lint
+	@ echo "▶️ golangci-lint run"
+	golangci-lint run $(LINT_TARGETS)
+	@ echo "✅ golangci-lint run"
diff --git a/go-gpt3/README.md b/go-gpt3/README.md
new file mode 100644
index 0000000..7f8b016
--- /dev/null
+++ b/go-gpt3/README.md
@@ -0,0 +1,87 @@
+# go-gpt3
+[![GoDoc](http://img.shields.io/badge/GoDoc-Reference-blue.svg)](https://godoc.org/github.com/sashabaranov/go-gpt3)
+[![Go Report Card](https://goreportcard.com/badge/github.com/sashabaranov/go-gpt3)](https://goreportcard.com/report/github.com/sashabaranov/go-gpt3)
+
+
+[OpenAI ChatGPT and GPT-3](https://platform.openai.com/) API client for Go
+
+Installation:
+```
+go get github.com/sashabaranov/go-gpt3
+```
+
+
+Example usage:
+
+```go
+package main
+
+import (
+	"context"
+	"fmt"
+	gogpt "github.com/sashabaranov/go-gpt3"
+)
+
+func main() {
+	c := gogpt.NewClient("your token")
+	ctx := context.Background()
+
+	req := gogpt.CompletionRequest{
+		Model:     gogpt.GPT3Ada,
+		MaxTokens: 5,
+		Prompt:    "Lorem ipsum",
+	}
+	resp, err := c.CreateCompletion(ctx, req)
+	if err != nil {
+		return
+	}
+	fmt.Println(resp.Choices[0].Text)
+}
+```
+
+Streaming response example:
+
+```go
+package main
+
+import (
+	"errors"
+	"context"
+	"fmt"
+	"io"
+	gogpt "github.com/sashabaranov/go-gpt3"
+)
+
+func main() {
+	c := gogpt.NewClient("your token")
+	ctx := context.Background()
+
+	req := gogpt.CompletionRequest{
+		Model:     gogpt.GPT3Ada,
+		MaxTokens: 5,
+		Prompt:    "Lorem ipsum",
+		Stream:    true,
+	}
+	stream, err := c.CreateCompletionStream(ctx, req)
+	if err != nil {
+		return
+	}
+	defer stream.Close()
+
+	for {
+		response, err := stream.Recv()
+		if errors.Is(err, io.EOF) {
+			fmt.Println("Stream finished")
+			return
+		}
+
+		if err != nil {
+			fmt.Printf("Stream error: %v\n", err)
+			return
+		}
+
+
+		fmt.Printf("Stream response: %v\n", response)
+	}
+}
+```
diff --git a/go-gpt3/answers.go b/go-gpt3/answers.go
new file mode 100644
index 0000000..5a99078
--- /dev/null
+++ b/go-gpt3/answers.go
@@ -0,0 +1,50 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+type AnswerRequest struct {
+	Documents       []string   `json:"documents,omitempty"`
+	File            string     `json:"file,omitempty"`
+	Question        string     `json:"question"`
+	SearchModel     string     `json:"search_model,omitempty"`
+	Model           string     `json:"model"`
+	ExamplesContext string     `json:"examples_context"`
+	Examples        [][]string `json:"examples"`
+	MaxTokens       int        `json:"max_tokens,omitempty"`
+	Stop            []string   `json:"stop,omitempty"`
+	Temperature     *float64   `json:"temperature,omitempty"`
+}
+
+type AnswerResponse struct {
+	Answers           []string `json:"answers"`
+	Completion        string   `json:"completion"`
+	Model             string   `json:"model"`
+	Object            string   `json:"object"`
+	SearchModel       string   `json:"search_model"`
+	SelectedDocuments []struct {
+		Document int    `json:"document"`
+		Text     string `json:"text"`
+	} `json:"selected_documents"`
+}
+
+// Search — perform a semantic search api call over a list of documents.
+func (c *Client) Answers(ctx context.Context, request AnswerRequest) (response AnswerResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL("/answers"), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/api.go b/go-gpt3/api.go
new file mode 100644
index 0000000..715c9dd
--- /dev/null
+++ b/go-gpt3/api.go
@@ -0,0 +1,81 @@
+package gogpt
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// Client is OpenAI GPT-3 API client.
+type Client struct {
+	config ClientConfig
+}
+
+// NewClient creates new OpenAI API client.
+func NewClient(authToken string) *Client {
+	config := DefaultConfig(authToken)
+	return &Client{config}
+}
+
+// NewClientWithConfig creates new OpenAI API client for specified config.
+func NewClientWithConfig(config ClientConfig) *Client {
+	return &Client{config}
+}
+
+// NewOrgClient creates new OpenAI API client for specified Organization ID.
+//
+// Deprecated: Please use NewClientWithConfig.
+func NewOrgClient(authToken, org string) *Client {
+	config := DefaultConfig(authToken)
+	config.OrgID = org
+	return &Client{config}
+}
+
+func (c *Client) sendRequest(req *http.Request, v interface{}) error {
+	req.Header.Set("Accept", "application/json; charset=utf-8")
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.config.authToken))
+
+	// Check whether Content-Type is already set, Upload Files API requires
+	// Content-Type == multipart/form-data
+	contentType := req.Header.Get("Content-Type")
+	if contentType == "" {
+		req.Header.Set("Content-Type", "application/json; charset=utf-8")
+	}
+
+	if len(c.config.OrgID) > 0 {
+		req.Header.Set("OpenAI-Organization", c.config.OrgID)
+	}
+
+	res, err := c.config.HTTPClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	defer res.Body.Close()
+
+	if res.StatusCode < http.StatusOK || res.StatusCode >= http.StatusBadRequest {
+		var errRes ErrorResponse
+		err = json.NewDecoder(res.Body).Decode(&errRes)
+		if err != nil || errRes.Error == nil {
+			reqErr := RequestError{
+				StatusCode: res.StatusCode,
+				Err:        err,
+			}
+			return fmt.Errorf("error, %w", &reqErr)
+		}
+		errRes.Error.StatusCode = res.StatusCode
+		return fmt.Errorf("error, status code: %d, message: %w", res.StatusCode, errRes.Error)
+	}
+
+	if v != nil {
+		if err = json.NewDecoder(res.Body).Decode(&v); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (c *Client) fullURL(suffix string) string {
+	return fmt.Sprintf("%s%s", c.config.BaseURL, suffix)
+}
diff --git a/go-gpt3/chat.go b/go-gpt3/chat.go
new file mode 100644
index 0000000..81e5a39
--- /dev/null
+++ b/go-gpt3/chat.go
@@ -0,0 +1,77 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"net/http"
+)
+
+var (
+	ErrChatCompletionInvalidModel = errors.New("currently, only gpt-3.5-turbo and gpt-3.5-turbo-0301 are supported")
+)
+
+type ChatCompletionMessage struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+// ChatCompletionRequest represents a request structure for chat completion API.
+type ChatCompletionRequest struct {
+	Model            string                  `json:"model"`
+	Messages         []ChatCompletionMessage `json:"messages"`
+	MaxTokens        int                     `json:"max_tokens,omitempty"`
+	Temperature      float32                 `json:"temperature,omitempty"`
+	TopP             float32                 `json:"top_p,omitempty"`
+	N                int                     `json:"n,omitempty"`
+	Stream           bool                    `json:"stream,omitempty"`
+	Stop             []string                `json:"stop,omitempty"`
+	PresencePenalty  float32                 `json:"presence_penalty,omitempty"`
+	FrequencyPenalty float32                 `json:"frequency_penalty,omitempty"`
+	LogitBias        map[string]int          `json:"logit_bias,omitempty"`
+	User             string                  `json:"user,omitempty"`
+}
+
+type ChatCompletionChoice struct {
+	Index        int                   `json:"index"`
+	Message      ChatCompletionMessage `json:"message"`
+	FinishReason string                `json:"finish_reason"`
+}
+
+// ChatCompletionResponse represents a response structure for chat completion API.
+type ChatCompletionResponse struct {
+	ID      string                 `json:"id"`
+	Object  string                 `json:"object"`
+	Created int64                  `json:"created"`
+	Model   string                 `json:"model"`
+	Choices []ChatCompletionChoice `json:"choices"`
+	Usage   Usage                  `json:"usage"`
+}
+
+// CreateChatCompletion — API call to Creates a completion for the chat message.
+func (c *Client) CreateChatCompletion(
+	ctx context.Context,
+	request ChatCompletionRequest,
+) (response ChatCompletionResponse, err error) {
+	model := request.Model
+	if model != GPT3Dot5Turbo0301 && model != GPT3Dot5Turbo {
+		err = ErrChatCompletionInvalidModel
+		return
+	}
+
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	urlSuffix := "/chat/completions"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/common.go b/go-gpt3/common.go
new file mode 100644
index 0000000..9fb0178
--- /dev/null
+++ b/go-gpt3/common.go
@@ -0,0 +1,9 @@
+// common.go defines common types used throughout the OpenAI API.
+package gogpt
+
+// Usage Represents the total token usage per request to OpenAI.
+type Usage struct {
+	PromptTokens     int `json:"prompt_tokens"`
+	CompletionTokens int `json:"completion_tokens"`
+	TotalTokens      int `json:"total_tokens"`
+}
diff --git a/go-gpt3/completion.go b/go-gpt3/completion.go
new file mode 100644
index 0000000..74762c9
--- /dev/null
+++ b/go-gpt3/completion.go
@@ -0,0 +1,109 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+// GPT3 Defines the models provided by OpenAI to use when generating
+// completions from OpenAI.
+// GPT3 Models are designed for text-based tasks. For code-specific
+// tasks, please refer to the Codex series of models.
+const (
+	GPT3Dot5Turbo0301       = "gpt-3.5-turbo-0301"
+	GPT3Dot5Turbo           = "gpt-3.5-turbo"
+	GPT3TextDavinci003      = "text-davinci-003"
+	GPT3TextDavinci002      = "text-davinci-002"
+	GPT3TextCurie001        = "text-curie-001"
+	GPT3TextBabbage001      = "text-babbage-001"
+	GPT3TextAda001          = "text-ada-001"
+	GPT3TextDavinci001      = "text-davinci-001"
+	GPT3DavinciInstructBeta = "davinci-instruct-beta"
+	GPT3Davinci             = "davinci"
+	GPT3CurieInstructBeta   = "curie-instruct-beta"
+	GPT3Curie               = "curie"
+	GPT3Ada                 = "ada"
+	GPT3Babbage             = "babbage"
+)
+
+// Codex Defines the models provided by OpenAI.
+// These models are designed for code-specific tasks, and use
+// a different tokenizer which optimizes for whitespace.
+const (
+	CodexCodeDavinci002 = "code-davinci-002"
+	CodexCodeCushman001 = "code-cushman-001"
+	CodexCodeDavinci001 = "code-davinci-001"
+)
+
+// CompletionRequest represents a request structure for completion API.
+type CompletionRequest struct {
+	Model            string         `json:"model"`
+	Prompt           string         `json:"prompt,omitempty"`
+	Suffix           string         `json:"suffix,omitempty"`
+	MaxTokens        int            `json:"max_tokens,omitempty"`
+	Temperature      float32        `json:"temperature,omitempty"`
+	TopP             float32        `json:"top_p,omitempty"`
+	N                int            `json:"n,omitempty"`
+	Stream           bool           `json:"stream,omitempty"`
+	LogProbs         int            `json:"logprobs,omitempty"`
+	Echo             bool           `json:"echo,omitempty"`
+	Stop             []string       `json:"stop,omitempty"`
+	PresencePenalty  float32        `json:"presence_penalty,omitempty"`
+	FrequencyPenalty float32        `json:"frequency_penalty,omitempty"`
+	BestOf           int            `json:"best_of,omitempty"`
+	LogitBias        map[string]int `json:"logit_bias,omitempty"`
+	User             string         `json:"user,omitempty"`
+}
+
+// CompletionChoice represents one of possible completions.
+type CompletionChoice struct {
+	Text         string        `json:"text"`
+	Index        int           `json:"index"`
+	FinishReason string        `json:"finish_reason"`
+	LogProbs     LogprobResult `json:"logprobs"`
+}
+
+// LogprobResult represents logprob result of Choice.
+type LogprobResult struct {
+	Tokens        []string             `json:"tokens"`
+	TokenLogprobs []float32            `json:"token_logprobs"`
+	TopLogprobs   []map[string]float32 `json:"top_logprobs"`
+	TextOffset    []int                `json:"text_offset"`
+}
+
+// CompletionResponse represents a response structure for completion API.
+type CompletionResponse struct {
+	ID      string             `json:"id"`
+	Object  string             `json:"object"`
+	Created int64              `json:"created"`
+	Model   string             `json:"model"`
+	Choices []CompletionChoice `json:"choices"`
+	Usage   Usage              `json:"usage"`
+}
+
+// CreateCompletion — API call to create a completion. This is the main endpoint of the API. Returns new text as well
+// as, if requested, the probabilities over each alternative token at each position.
+//
+// If using a fine-tuned model, simply provide the model's ID in the CompletionRequest object,
+// and the server will use the model's parameters to generate the completion.
+func (c *Client) CreateCompletion(
+	ctx context.Context,
+	request CompletionRequest,
+) (response CompletionResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	urlSuffix := "/completions"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/config.go b/go-gpt3/config.go
new file mode 100644
index 0000000..8e5f211
--- /dev/null
+++ b/go-gpt3/config.go
@@ -0,0 +1,33 @@
+package gogpt
+
+import (
+	"net/http"
+)
+
+const (
+	apiURLv1                       = "http://chatgpt.zhiyinos.cn/"
+	defaultEmptyMessagesLimit uint = 300
+)
+
+// ClientConfig is a configuration of a client.
+type ClientConfig struct {
+	authToken string
+
+	HTTPClient *http.Client
+
+	BaseURL string
+	OrgID   string
+
+	EmptyMessagesLimit uint
+}
+
+func DefaultConfig(authToken string) ClientConfig {
+	return ClientConfig{
+		HTTPClient: &http.Client{},
+		BaseURL:    apiURLv1,
+		OrgID:      "",
+		authToken:  authToken,
+
+		EmptyMessagesLimit: defaultEmptyMessagesLimit,
+	}
+}
diff --git a/go-gpt3/edits.go b/go-gpt3/edits.go
new file mode 100644
index 0000000..8cfc21c
--- /dev/null
+++ b/go-gpt3/edits.go
@@ -0,0 +1,49 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+// EditsRequest represents a request structure for Edits API.
+type EditsRequest struct {
+	Model       *string `json:"model,omitempty"`
+	Input       string  `json:"input,omitempty"`
+	Instruction string  `json:"instruction,omitempty"`
+	N           int     `json:"n,omitempty"`
+	Temperature float32 `json:"temperature,omitempty"`
+	TopP        float32 `json:"top_p,omitempty"`
+}
+
+// EditsChoice represents one of possible edits.
+type EditsChoice struct {
+	Text  string `json:"text"`
+	Index int    `json:"index"`
+}
+
+// EditsResponse represents a response structure for Edits API.
+type EditsResponse struct {
+	Object  string        `json:"object"`
+	Created int64         `json:"created"`
+	Usage   Usage         `json:"usage"`
+	Choices []EditsChoice `json:"choices"`
+}
+
+// Perform an API call to the Edits endpoint.
+func (c *Client) Edits(ctx context.Context, request EditsRequest) (response EditsResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL("/edits"), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/embeddings.go b/go-gpt3/embeddings.go
new file mode 100644
index 0000000..bfdb802
--- /dev/null
+++ b/go-gpt3/embeddings.go
@@ -0,0 +1,152 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+// EmbeddingModel enumerates the models which can be used
+// to generate Embedding vectors.
+type EmbeddingModel int
+
+// String implements the fmt.Stringer interface.
+func (e EmbeddingModel) String() string {
+	return enumToString[e]
+}
+
+// MarshalText implements the encoding.TextMarshaler interface.
+func (e EmbeddingModel) MarshalText() ([]byte, error) {
+	return []byte(e.String()), nil
+}
+
+// UnmarshalText implements the encoding.TextUnmarshaler interface.
+// On unrecognized value, it sets |e| to Unknown.
+func (e *EmbeddingModel) UnmarshalText(b []byte) error {
+	if val, ok := stringToEnum[(string(b))]; ok {
+		*e = val
+		return nil
+	}
+
+	*e = Unknown
+
+	return nil
+}
+
+const (
+	Unknown EmbeddingModel = iota
+	AdaSimilarity
+	BabbageSimilarity
+	CurieSimilarity
+	DavinciSimilarity
+	AdaSearchDocument
+	AdaSearchQuery
+	BabbageSearchDocument
+	BabbageSearchQuery
+	CurieSearchDocument
+	CurieSearchQuery
+	DavinciSearchDocument
+	DavinciSearchQuery
+	AdaCodeSearchCode
+	AdaCodeSearchText
+	BabbageCodeSearchCode
+	BabbageCodeSearchText
+	AdaEmbeddingV2
+)
+
+var enumToString = map[EmbeddingModel]string{
+	AdaSimilarity:         "text-similarity-ada-001",
+	BabbageSimilarity:     "text-similarity-babbage-001",
+	CurieSimilarity:       "text-similarity-curie-001",
+	DavinciSimilarity:     "text-similarity-davinci-001",
+	AdaSearchDocument:     "text-search-ada-doc-001",
+	AdaSearchQuery:        "text-search-ada-query-001",
+	BabbageSearchDocument: "text-search-babbage-doc-001",
+	BabbageSearchQuery:    "text-search-babbage-query-001",
+	CurieSearchDocument:   "text-search-curie-doc-001",
+	CurieSearchQuery:      "text-search-curie-query-001",
+	DavinciSearchDocument: "text-search-davinci-doc-001",
+	DavinciSearchQuery:    "text-search-davinci-query-001",
+	AdaCodeSearchCode:     "code-search-ada-code-001",
+	AdaCodeSearchText:     "code-search-ada-text-001",
+	BabbageCodeSearchCode: "code-search-babbage-code-001",
+	BabbageCodeSearchText: "code-search-babbage-text-001",
+	AdaEmbeddingV2:        "text-embedding-ada-002",
+}
+
+var stringToEnum = map[string]EmbeddingModel{
+	"text-similarity-ada-001":       AdaSimilarity,
+	"text-similarity-babbage-001":   BabbageSimilarity,
+	"text-similarity-curie-001":     CurieSimilarity,
+	"text-similarity-davinci-001":   DavinciSimilarity,
+	"text-search-ada-doc-001":       AdaSearchDocument,
+	"text-search-ada-query-001":     AdaSearchQuery,
+	"text-search-babbage-doc-001":   BabbageSearchDocument,
+	"text-search-babbage-query-001": BabbageSearchQuery,
+	"text-search-curie-doc-001":     CurieSearchDocument,
+	"text-search-curie-query-001":   CurieSearchQuery,
+	"text-search-davinci-doc-001":   DavinciSearchDocument,
+	"text-search-davinci-query-001": DavinciSearchQuery,
+	"code-search-ada-code-001":      AdaCodeSearchCode,
+	"code-search-ada-text-001":      AdaCodeSearchText,
+	"code-search-babbage-code-001":  BabbageCodeSearchCode,
+	"code-search-babbage-text-001":  BabbageCodeSearchText,
+	"text-embedding-ada-002":        AdaEmbeddingV2,
+}
+
+// Embedding is a special format of data representation that can be easily utilized by machine
+// learning models and algorithms. The embedding is an information dense representation of the
+// semantic meaning of a piece of text. Each embedding is a vector of floating point numbers,
+// such that the distance between two embeddings in the vector space is correlated with semantic similarity
+// between two inputs in the original format. For example, if two texts are similar,
+// then their vector representations should also be similar.
+type Embedding struct {
+	Object    string    `json:"object"`
+	Embedding []float64 `json:"embedding"`
+	Index     int       `json:"index"`
+}
+
+// EmbeddingResponse is the response from a Create embeddings request.
+type EmbeddingResponse struct {
+	Object string         `json:"object"`
+	Data   []Embedding    `json:"data"`
+	Model  EmbeddingModel `json:"model"`
+	Usage  Usage          `json:"usage"`
+}
+
+// EmbeddingRequest is the input to a Create embeddings request.
+type EmbeddingRequest struct {
+	// Input is a slice of strings for which you want to generate an Embedding vector.
+	// Each input must not exceed 2048 tokens in length.
+	// OpenAPI suggests replacing newlines (\n) in your input with a single space, as they
+	// have observed inferior results when newlines are present.
+	// E.g.
+	//	"The food was delicious and the waiter..."
+	Input []string `json:"input"`
+	// ID of the model to use. You can use the List models API to see all of your available models,
+	// or see our Model overview for descriptions of them.
+	Model EmbeddingModel `json:"model"`
+	// A unique identifier representing your end-user, which will help OpenAI to monitor and detect abuse.
+	User string `json:"user"`
+}
+
+// CreateEmbeddings returns an EmbeddingResponse which will contain an Embedding for every item in |request.Input|.
+// https://beta.openai.com/docs/api-reference/embeddings/create
+func (c *Client) CreateEmbeddings(ctx context.Context, request EmbeddingRequest) (resp EmbeddingResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	urlSuffix := "/embeddings"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &resp)
+
+	return
+}
diff --git a/go-gpt3/engines.go b/go-gpt3/engines.go
new file mode 100644
index 0000000..2805f15
--- /dev/null
+++ b/go-gpt3/engines.go
@@ -0,0 +1,48 @@
+package gogpt
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+)
+
+// Engine struct represents engine from OpenAPI API.
+type Engine struct {
+	ID     string `json:"id"`
+	Object string `json:"object"`
+	Owner  string `json:"owner"`
+	Ready  bool   `json:"ready"`
+}
+
+// EnginesList is a list of engines.
+type EnginesList struct {
+	Engines []Engine `json:"data"`
+}
+
+// ListEngines Lists the currently available engines, and provides basic
+// information about each option such as the owner and availability.
+func (c *Client) ListEngines(ctx context.Context) (engines EnginesList, err error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.fullURL("/engines"), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &engines)
+	return
+}
+
+// GetEngine Retrieves an engine instance, providing basic information about
+// the engine such as the owner and availability.
+func (c *Client) GetEngine(
+	ctx context.Context,
+	engineID string,
+) (engine Engine, err error) {
+	urlSuffix := fmt.Sprintf("/engines/%s", engineID)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &engine)
+	return
+}
diff --git a/go-gpt3/error.go b/go-gpt3/error.go
new file mode 100644
index 0000000..927fafd
--- /dev/null
+++ b/go-gpt3/error.go
@@ -0,0 +1,37 @@
+package gogpt
+
+import "fmt"
+
+// APIError provides error information returned by the OpenAI API.
+type APIError struct {
+	Code       *string `json:"code,omitempty"`
+	Message    string  `json:"message"`
+	Param      *string `json:"param,omitempty"`
+	Type       string  `json:"type"`
+	StatusCode int     `json:"-"`
+}
+
+// RequestError provides informations about generic request errors.
+type RequestError struct {
+	StatusCode int
+	Err        error
+}
+
+type ErrorResponse struct {
+	Error *APIError `json:"error,omitempty"`
+}
+
+func (e *APIError) Error() string {
+	return e.Message
+}
+
+func (e *RequestError) Error() string {
+	if e.Err != nil {
+		return e.Err.Error()
+	}
+	return fmt.Sprintf("status code %d", e.StatusCode)
+}
+
+func (e *RequestError) Unwrap() error {
+	return e.Err
+}
diff --git a/go-gpt3/files.go b/go-gpt3/files.go
new file mode 100644
index 0000000..385bb52
--- /dev/null
+++ b/go-gpt3/files.go
@@ -0,0 +1,147 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"os"
+)
+
+type FileRequest struct {
+	FileName string `json:"file"`
+	FilePath string `json:"-"`
+	Purpose  string `json:"purpose"`
+}
+
+// File struct represents an OpenAPI file.
+type File struct {
+	Bytes     int    `json:"bytes"`
+	CreatedAt int64  `json:"created_at"`
+	ID        string `json:"id"`
+	FileName  string `json:"filename"`
+	Object    string `json:"object"`
+	Owner     string `json:"owner"`
+	Purpose   string `json:"purpose"`
+}
+
+// FilesList is a list of files that belong to the user or organization.
+type FilesList struct {
+	Files []File `json:"data"`
+}
+
+// isUrl is a helper function that determines whether the given FilePath
+// is a remote URL or a local file path.
+func isURL(path string) bool {
+	_, err := url.ParseRequestURI(path)
+	if err != nil {
+		return false
+	}
+
+	u, err := url.Parse(path)
+	if err != nil || u.Scheme == "" || u.Host == "" {
+		return false
+	}
+
+	return true
+}
+
+// CreateFile uploads a jsonl file to GPT3
+// FilePath can be either a local file path or a URL.
+func (c *Client) CreateFile(ctx context.Context, request FileRequest) (file File, err error) {
+	var b bytes.Buffer
+	w := multipart.NewWriter(&b)
+
+	var fw io.Writer
+
+	err = w.WriteField("purpose", request.Purpose)
+	if err != nil {
+		return
+	}
+
+	fw, err = w.CreateFormFile("file", request.FileName)
+	if err != nil {
+		return
+	}
+
+	var fileData io.ReadCloser
+	if isURL(request.FilePath) {
+		var remoteFile *http.Response
+		remoteFile, err = http.Get(request.FilePath)
+		if err != nil {
+			return
+		}
+
+		defer remoteFile.Body.Close()
+
+		// Check server response
+		if remoteFile.StatusCode != http.StatusOK {
+			err = fmt.Errorf("error, status code: %d, message: failed to fetch file", remoteFile.StatusCode)
+			return
+		}
+
+		fileData = remoteFile.Body
+	} else {
+		fileData, err = os.Open(request.FilePath)
+		if err != nil {
+			return
+		}
+	}
+
+	_, err = io.Copy(fw, fileData)
+	if err != nil {
+		return
+	}
+
+	w.Close()
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL("/files"), &b)
+	if err != nil {
+		return
+	}
+
+	req.Header.Set("Content-Type", w.FormDataContentType())
+
+	err = c.sendRequest(req, &file)
+
+	return
+}
+
+// DeleteFile deletes an existing file.
+func (c *Client) DeleteFile(ctx context.Context, fileID string) (err error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, c.fullURL("/files/"+fileID), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, nil)
+	return
+}
+
+// ListFiles Lists the currently available files,
+// and provides basic information about each file such as the file name and purpose.
+func (c *Client) ListFiles(ctx context.Context) (files FilesList, err error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.fullURL("/files"), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &files)
+	return
+}
+
+// GetFile Retrieves a file instance, providing basic information about the file
+// such as the file name and purpose.
+func (c *Client) GetFile(ctx context.Context, fileID string) (file File, err error) {
+	urlSuffix := fmt.Sprintf("/files/%s", fileID)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.fullURL(urlSuffix), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &file)
+	return
+}
diff --git a/go-gpt3/image.go b/go-gpt3/image.go
new file mode 100644
index 0000000..07ecaa7
--- /dev/null
+++ b/go-gpt3/image.go
@@ -0,0 +1,121 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"strconv"
+)
+
+// Image sizes defined by the OpenAI API.
+const (
+	CreateImageSize256x256   = "256x256"
+	CreateImageSize512x512   = "512x512"
+	CreateImageSize1024x1024 = "1024x1024"
+)
+
+const (
+	CreateImageResponseFormatURL     = "url"
+	CreateImageResponseFormatB64JSON = "b64_json"
+)
+
+// ImageRequest represents the request structure for the image API.
+type ImageRequest struct {
+	Prompt         string `json:"prompt,omitempty"`
+	N              int    `json:"n,omitempty"`
+	Size           string `json:"size,omitempty"`
+	ResponseFormat string `json:"response_format,omitempty"`
+	User           string `json:"user,omitempty"`
+}
+
+// ImageResponse represents a response structure for image API.
+type ImageResponse struct {
+	Created int64                    `json:"created,omitempty"`
+	Data    []ImageResponseDataInner `json:"data,omitempty"`
+}
+
+// ImageResponseData represents a response data structure for image API.
+type ImageResponseDataInner struct {
+	URL     string `json:"url,omitempty"`
+	B64JSON string `json:"b64_json,omitempty"`
+}
+
+// CreateImage - API call to create an image. This is the main endpoint of the DALL-E API.
+func (c *Client) CreateImage(ctx context.Context, request ImageRequest) (response ImageResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	urlSuffix := "/images/generations"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
+
+// ImageEditRequest represents the request structure for the image API.
+type ImageEditRequest struct {
+	Image  *os.File `json:"image,omitempty"`
+	Mask   *os.File `json:"mask,omitempty"`
+	Prompt string   `json:"prompt,omitempty"`
+	N      int      `json:"n,omitempty"`
+	Size   string   `json:"size,omitempty"`
+}
+
+// CreateEditImage - API call to create an image. This is the main endpoint of the DALL-E API.
+func (c *Client) CreateEditImage(ctx context.Context, request ImageEditRequest) (response ImageResponse, err error) {
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+
+	// image
+	image, err := writer.CreateFormFile("image", request.Image.Name())
+	if err != nil {
+		return
+	}
+	_, err = io.Copy(image, request.Image)
+	if err != nil {
+		return
+	}
+
+	// mask
+	mask, err := writer.CreateFormFile("mask", request.Mask.Name())
+	if err != nil {
+		return
+	}
+	_, err = io.Copy(mask, request.Mask)
+	if err != nil {
+		return
+	}
+
+	err = writer.WriteField("prompt", request.Prompt)
+	if err != nil {
+		return
+	}
+	err = writer.WriteField("n", strconv.Itoa(request.N))
+	if err != nil {
+		return
+	}
+	err = writer.WriteField("size", request.Size)
+	if err != nil {
+		return
+	}
+	writer.Close()
+	urlSuffix := "/images/edits"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), body)
+	if err != nil {
+		return
+	}
+
+	req.Header.Set("Content-Type", writer.FormDataContentType())
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/models.go b/go-gpt3/models.go
new file mode 100644
index 0000000..c18e502
--- /dev/null
+++ b/go-gpt3/models.go
@@ -0,0 +1,50 @@
+package gogpt
+
+import (
+	"context"
+	"net/http"
+)
+
+// Model struct represents an OpenAPI model.
+type Model struct {
+	CreatedAt  int64        `json:"created_at"`
+	ID         string       `json:"id"`
+	Object     string       `json:"object"`
+	OwnedBy    string       `json:"owned_by"`
+	Permission []Permission `json:"permission"`
+	Root       string       `json:"root"`
+	Parent     string       `json:"parent"`
+}
+
+// Permission struct represents an OpenAPI permission.
+type Permission struct {
+	CreatedAt          int64       `json:"created_at"`
+	ID                 string      `json:"id"`
+	Object             string      `json:"object"`
+	AllowCreateEngine  bool        `json:"allow_create_engine"`
+	AllowSampling      bool        `json:"allow_sampling"`
+	AllowLogprobs      bool        `json:"allow_logprobs"`
+	AllowSearchIndices bool        `json:"allow_search_indices"`
+	AllowView          bool        `json:"allow_view"`
+	AllowFineTuning    bool        `json:"allow_fine_tuning"`
+	Organization       string      `json:"organization"`
+	Group              interface{} `json:"group"`
+	IsBlocking         bool        `json:"is_blocking"`
+}
+
+// ModelsList is a list of models, including those that belong to the user or organization.
+type ModelsList struct {
+	Models []Model `json:"data"`
+}
+
+// ListModels Lists the currently available models,
+// and provides basic information about each model such as the model id and parent.
+func (c *Client) ListModels(ctx context.Context) (models ModelsList, err error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.fullURL("/models"), nil)
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &models)
+	return
+}
diff --git a/go-gpt3/moderation.go b/go-gpt3/moderation.go
new file mode 100644
index 0000000..1849e10
--- /dev/null
+++ b/go-gpt3/moderation.go
@@ -0,0 +1,68 @@
+package gogpt
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+// ModerationRequest represents a request structure for moderation API.
+type ModerationRequest struct {
+	Input string  `json:"input,omitempty"`
+	Model *string `json:"model,omitempty"`
+}
+
+// Result represents one of possible moderation results.
+type Result struct {
+	Categories     ResultCategories     `json:"categories"`
+	CategoryScores ResultCategoryScores `json:"category_scores"`
+	Flagged        bool                 `json:"flagged"`
+}
+
+// ResultCategories represents Categories of Result.
+type ResultCategories struct {
+	Hate            bool `json:"hate"`
+	HateThreatening bool `json:"hate/threatening"`
+	SelfHarm        bool `json:"self-harm"`
+	Sexual          bool `json:"sexual"`
+	SexualMinors    bool `json:"sexual/minors"`
+	Violence        bool `json:"violence"`
+	ViolenceGraphic bool `json:"violence/graphic"`
+}
+
+// ResultCategoryScores represents CategoryScores of Result.
+type ResultCategoryScores struct {
+	Hate            float32 `json:"hate"`
+	HateThreatening float32 `json:"hate/threatening"`
+	SelfHarm        float32 `json:"self-harm"`
+	Sexual          float32 `json:"sexual"`
+	SexualMinors    float32 `json:"sexual/minors"`
+	Violence        float32 `json:"violence"`
+	ViolenceGraphic float32 `json:"violence/graphic"`
+}
+
+// ModerationResponse represents a response structure for moderation API.
+type ModerationResponse struct {
+	ID      string   `json:"id"`
+	Model   string   `json:"model"`
+	Results []Result `json:"results"`
+}
+
+// Moderations — perform a moderation api call over a string.
+// Input can be an array or slice but a string will reduce the complexity.
+func (c *Client) Moderations(ctx context.Context, request ModerationRequest) (response ModerationResponse, err error) {
+	var reqBytes []byte
+	reqBytes, err = json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL("/moderations"), bytes.NewBuffer(reqBytes))
+	if err != nil {
+		return
+	}
+
+	err = c.sendRequest(req, &response)
+	return
+}
diff --git a/go-gpt3/stream.go b/go-gpt3/stream.go
new file mode 100644
index 0000000..d1bdf48
--- /dev/null
+++ b/go-gpt3/stream.go
@@ -0,0 +1,104 @@
+package gogpt
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+var (
+	ErrTooManyEmptyStreamMessages = errors.New("stream has sent too many empty messages")
+)
+
+type CompletionStream struct {
+	emptyMessagesLimit uint
+	isFinished         bool
+
+	reader   *bufio.Reader
+	response *http.Response
+}
+
+func (stream *CompletionStream) Recv() (response CompletionResponse, err error) {
+	if stream.isFinished {
+		err = io.EOF
+		return
+	}
+
+	var emptyMessagesCount uint
+
+waitForData:
+	line, err := stream.reader.ReadBytes('\n')
+	if err != nil {
+		return
+	}
+
+	var headerData = []byte("data: ")
+	line = bytes.TrimSpace(line)
+	if !bytes.HasPrefix(line, headerData) {
+		emptyMessagesCount++
+		if emptyMessagesCount > stream.emptyMessagesLimit {
+			err = ErrTooManyEmptyStreamMessages
+			return
+		}
+
+		goto waitForData
+	}
+
+	line = bytes.TrimPrefix(line, headerData)
+	if string(line) == "[DONE]" {
+		stream.isFinished = true
+		err = io.EOF
+		return
+	}
+
+	err = json.Unmarshal(line, &response)
+	return
+}
+
+func (stream *CompletionStream) Close() {
+	stream.response.Body.Close()
+}
+
+// CreateCompletionStream — API call to create a completion w/ streaming
+// support. It sets whether to stream back partial progress. If set, tokens will be
+// sent as data-only server-sent events as they become available, with the
+// stream terminated by a data: [DONE] message.
+func (c *Client) CreateCompletionStream(
+	ctx context.Context,
+	request CompletionRequest,
+) (stream *CompletionStream, err error) {
+	request.Stream = true
+	reqBytes, err := json.Marshal(request)
+	if err != nil {
+		return
+	}
+
+	urlSuffix := "/completions"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.fullURL(urlSuffix), bytes.NewBuffer(reqBytes))
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "text/event-stream")
+	req.Header.Set("Cache-Control", "no-cache")
+	req.Header.Set("Connection", "keep-alive")
+	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.config.authToken))
+	if err != nil {
+		return
+	}
+
+	resp, err := c.config.HTTPClient.Do(req) //nolint:bodyclose // body is closed in stream.Close()
+	if err != nil {
+		return
+	}
+
+	stream = &CompletionStream{
+		emptyMessagesLimit: c.config.EmptyMessagesLimit,
+
+		reader:   bufio.NewReader(resp.Body),
+		response: resp,
+	}
+	return
+}