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
Compared in: Best free LLM APIs