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Bonsai gives you free access to frontier coding models in your favorite AI coding assistants. We route your requests to leading coding models like Claude, GPT-5, Gemini, and more. We collect prompts and completions for benchmarking and AI model training.

How It Works

1

Sign Up

Create a Bonsai account and get your API key.
2

Setup

Follow the setup guides to set up your coding assistant to use Bonsai.
3

Start Coding

You’ll automatically be assigned a frontier model at random. Use it as you normally would!

Getting Started

Ready to unlock the full potential of your AI coding assistants? Let’s get you set up:

Get Started

Follow our quick start guide to begin using Bonsai in minutes