Google AI Studio
Free tier for Gemini API in AI Studio.
AI APIs
What you get
Free input and output tokens for some Gemini models plus Google AI Studio access.
How to get it
Get started at aistudio.google.com.
What it requires
A Google account.
The catch
Free-tier content is used to improve Google products; newest models such as Gemini 4 Argon are not available.
From the official page ยท checked 2026-10-14
Compared in: Best free LLM APIs