Open Source · language

Use InternLM 2.5 20B with Go

Updated 2026-05-21 · By XALEN

How to use InternLM 2.5 20B (Open Source, 20B) with Go. Install, authenticate, and make your first API call in minutes. Working code example included.

Model
InternLM 2.5 20B
20B · 256K context · $0.02 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: "internlm-2-5-20b",
            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