Legacy · language

Use GPT-3.5 Turbo with Go

Updated 2026-05-21 · By XALEN

How to use GPT-3.5 Turbo (Legacy, ~175B) with Go. Install, authenticate, and make your first API call in minutes. Working code example included.

Model
GPT-3.5 Turbo
~175B · 16K context · $0.005 input
Framework
Go
language · go get github.com/sashabaranov/go-openai

1. Install

go get github.com/sashabaranov/go-openai

2. Code

package main

import (
    "context"
    "fmt"
    openai "github.com/sashabaranov/go-openai"
)

func main() {
    config := openai.DefaultConfig("xln_test_YOUR_KEY")
    config.BaseURL = "https://api.xalen.io/v1"
    client := openai.NewClientWithConfig(config)

    resp, _ := client.CreateChatCompletion(context.Background(),
        openai.ChatCompletionRequest{
            Model: "gpt-3-5-turbo",
            Messages: []openai.ChatCompletionMessage{
                {Role: "user", Content: "Hello from Go!"},
            },
        })
    fmt.Println(resp.Choices[0].Message.Content)
}

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Last updated: 2026-05-21