(Go) OpenAI (ChatGTP) Create Chat Completion

See more OpenAI ChatGPT Examples

Shows how to create a model response for a given chat conversation.

For more information, see https://platform.openai.com/docs/api-reference/chat/create

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl https://api.openai.com/v1/chat/completions \
    //   -H "Content-Type: application/json" \
    //   -H "Authorization: Bearer $OPENAI_API_KEY" \
    //   -d '{
    //     "model": "gpt-3.5-turbo",
    //     "messages": [{"role": "user", "content": "Hello!"}]
    //   }'

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "model": "gpt-3.5-turbo",
    //   "messages": [
    //     {
    //       "role": "user",
    //       "content": "Hello!"
    //     }
    //   ]
    // }

    json := chilkat.NewJsonObject()
    json.UpdateString("model","gpt-3.5-turbo")
    json.UpdateString("messages[0].role","user")
    json.UpdateString("messages[0].content","Hello!")

    // Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
    // This is NOT a real key.  Change the "sk-vi...." to your own key.
    http.SetAuthToken("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")
    http.SetRequestHeader("Content-Type","application/json")

    resp := http.PostJson3("https://api.openai.com/v1/chat/completions","application/json",json)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        json.DisposeJsonObject()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)

    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        json.DisposeJsonObject()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "id": "chatcmpl-123",
    //   "object": "chat.completion",
    //   "created": 1677652288,
    //   "choices": [
    //     {
    //       "index": 0,
    //       "message": {
    //         "role": "assistant",
    //         "content": "\n\nHello there, how may I assist you today?"
    //       },
    //       "finish_reason": "stop"
    //     }
    //   ],
    //   "usage": {
    //     "prompt_tokens": 9,
    //     "completion_tokens": 12,
    //     "total_tokens": 21
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    var index int
    var Role *string = new(string)
    var Content *string = new(string)
    var finish_reason *string = new(string)

    id := jResp.StringOf("id")
    v_object := jResp.StringOf("object")
    created := jResp.IntOf("created")
    Prompt_tokens := jResp.IntOf("usage.prompt_tokens")
    Completion_tokens := jResp.IntOf("usage.completion_tokens")
    Total_tokens := jResp.IntOf("usage.total_tokens")
    i := 0
    count_i := jResp.SizeOfArray("choices")
    for i < count_i {
        jResp.SetI(i)
        index = jResp.IntOf("choices[i].index")
        Role = *jResp.StringOf("choices[i].message.role")
        Content = *jResp.StringOf("choices[i].message.content")
        finish_reason = *jResp.StringOf("choices[i].finish_reason")
        i = i + 1
    }


    http.DisposeHttp()
    json.DisposeJsonObject()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()