OpenRouter
Chat and API access to 25+ free models from 4 free providers.
AI APIs
What you get
25+ free models from 4 free providers via chat and API, with activity logs.
How to get it
Sign up at openrouter.ai.
What it requires
Not stated by vendor
The catch
No budgets, spend controls or prompt caching on Free.
From the official page ยท checked 2026-10-14
Other AI APIs tools (8)
| Cloudflare Workers AI | Daily neuron cap | |
| Cohere | Rate-limited, non-production use | |
| Google AI Studio | Rate limits per model; data may be used to improve products | |
| Groq | Per-model rate limits, e.g. 30 requests/min and 1,000 requests/day on gpt-oss-120b | |
| Hugging Face | Small monthly inference credits | |
| LM Studio | Local hardware limits | |
| Mistral La Plateforme | Rate limits | |
| Ollama | Local hardware limits; cloud paid |