Gemini Developer API (Free)
What you get free
Free input and output tokens on Gemini Flash models via API and AI Studio — no credit card.
Limits & caveats
Rate limits apply; Pro-class models excluded; free-tier content may be used to improve Google's products.
How to claim
Get an API key from Google AI Studio and start calling the free tier.
Best for
Free LLM API access for experiments and small apps.
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Last checked: 2026-09-28 · Added 2026-09-28