Frontier · language

Use Gemini 2.5 Pro Preview with Go

Updated 2026-05-21 · By XALEN

How to use Gemini 2.5 Pro Preview (Frontier, ~1.5T) with Go. Install, authenticate, and make your first API call in minutes. Working code example included.

Model
Gemini 2.5 Pro Preview
~1.5T · 2M context · $0.07 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: "gemini-2-5-pro-preview",
            Messages: []openai.ChatCompletionMessage{
                {Role: "user", Content: "Hello from Go!"},
            },
        })
    fmt.Println(resp.Choices[0].Message.Content)
}

Gemini 2.5 Pro Preview with Other Frameworks

Python JavaScript React Next.js Flask FastAPI Django Express.js

Other Models with Go

Vedika Standard Vedika Fast Vedika Pro Ultra Vedika Vision Vedika Code Vedika Astro Agent

200+ models. One API. Works with any framework.

Get API Key

Last updated: 2026-05-21