How to Claim 10 Million Free AI Tokens Monthly

Looking for a free AI API that doesn't ask for your credit card? This one hands you 10 million tokens a month.

It covers over 340 models, including GPT-5.5, Claude Opus 4.8, DeepSeek V4, Kimi K2.6, GLM 5.2, Gemini, Llama, and Qwen — and it's OpenAI-compatible, so it works with Cursor, LangChain, and Aider.

Tutorial

1. Open runtime.badtheorylabs.com in your browser.
2. Sign in with your Google account — no credit card required.
3. Complete the onboarding process.
4. Claim your complimentary credits.
5. Copy your BTL_ API key.
6. Set the Base URL to https://runtime.badtheorylabs.com/v1.
7. Select btl-2 to automatically route requests to the most suitable model.

Wrapping Up

You now have a free API key with 10 million tokens a month, ready to use in any OpenAI-compatible tool. Plug it into Cursor, LangChain, or Aider and start building.