Free Tier · verified Sep 10, 2026

Google Gemini API: Gemini API free tier for selected models

Google now lists Gemini 3.8 Flash on the Gemini Developer API free tier with free input, output, and context-caching tokens. This is a meaningful model-availability update to the existing generic Gemini API free-tier entry.

PrototypingMultimodalModel Testing

What you actually get

Eligibility
Developers and small projects using the Gemini API free tier through Google AI Studio
Rate and usage limits
Model-specific. Google AI Studio shows the active project's quota; preview models can have stricter limits.
Models
Selected Gemini models marked Free Tier on the official pricing page
Card requirement
no for Free tier
Regions
Global (except restricted)
After the free allowance
Wait for quota reset or link billing and move to a paid usage tier.
Data and privacy catch
Google's pricing table marks free-tier content as usable to improve products; paid-tier treatment differs.