Tier 3Verified 3 May 2026
OpenRouter
Gateway to many models with one API key.
Who it's for
Developers who want to switch between models (GPT-4, Claude, Llama, etc.) without managing multiple API accounts.
What you can do today in 60 seconds
- Sign up at https://openrouter.ai and get an API key.
- Make one API call that routes to Claude today, GPT-4 tomorrow.
- Compare results across models for the same prompt.
How it actually works
OpenRouter is a unified API gateway. You send requests in OpenAI format; OpenRouter routes them to the model you specify. It handles rate limits, fallbacks, and billing across providers.
Pricing today
Pay-per-use. No subscription. Prices match the underlying provider.