OpenRouter
Recurring free tier
50+ models
No card required
One key, free open-source models, no card.
| Detail | |
|---|---|
| Models | 50+ models |
| Free quota | several free models |
| Payment card needed? | No |
| Tier type | Recurring free tier |
| Signup URL | https://openrouter.ai |
| Last verified | August 2026 |
How to get started
2
Create an API key
Generate a key in the provider console and save it somewhere safe.
3
Call it
Use the key with any OpenAI/Anthropic-compatible client, pointing at the provider endpoint.
Free tier limits change frequently — confirm the current quota on the provider's own page before relying on it.