What this offer provides
Google's official Gemini API pricing page shows a Free Tier column where input, output and context caching prices are listed as 'Free of charge'. The free tier is rate limited and, per the same page, free-tier data may be used to improve Google products.
Quick facts
Free mechanismFree tier: input, output and context caching listed as Free of charge
ValidityOngoing free tier; limits and terms can change
AccessGoogle account; availability may vary by region
Last verified2026-09-07
How to use it
Call Gemini models through the official Gemini API free tier
Prerequisites
- Google account
- API key created in Google AI Studio
Steps
- Sign in to Google AI Studio and create an API key
- Send a generateContent request with the key and read the rate-limit page for current free tier limits
curl
curl https://generativelanguage.googleapis.com/v1beta/models/gemini-3.8-flash:generateContent --header 'x-goog-api-key: ${GEMINI_API_KEY}' --header 'Content-Type: application/json' -X POST --data '{"contents":[{"parts":[{"text":"Hello"}]}]}'Official sources
Official pricing page: 'Gemini 3.8 Flash ... Free Tier ... Input price Free of charge ... Output price (including thinking tokens) Free of charge ... Context caching price Free of charge', and free tier 'Used to improve our products: Yes'.