tuhochi / langchaingo

LangChain for Go, the easiest way to write LLM-based programs in Go

🦜️🔗 LangChain Go

⚡ Building applications with LLMs through composability, with Go! ⚡

🤔 What is this?

This is the Go language implementation of LangChain.

📖 Documentation

• Documentation Site
• API Reference

🎉 Examples

See ./examples for example usage.

package main

import (
	"context"
	"log"

	"github.com/tmc/langchaingo/llms/openai"
)

func main() {
	llm, err := openai.New()
	if err != nil {
		log.Fatal(err)
	}
	prompt := "What would be a good company name for a company that makes colorful socks?"
	completion, err := llm.Call(context.Background(), prompt)
	if err != nil {
		log.Fatal(err)
	}
	log.Println(completion)
}

$ go run .

Socktastic!

Resources

Here are some links to blog posts and articles on using Langchain Go:

• Using Ollama with LangChainGo - Nov 2023
• Creating a simple ChatGPT clone with Go - Aug 2023
• Creating a ChatGPT Clone that Runs on Your Laptop with Go - Aug 2023