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#4 in LLM APIs & inferenceFree tier

Gemini API

Google's Gemini models, with a free tier in AI Studio.

The Gemini API is Google's developer API for Gemini models, documented at ai.google.dev, with prompting in Google AI Studio. Many models have a free tier with rate limits, and paid usage is per token.

Official site

Why this rank

The free tier is large enough to prototype, which makes it the Google API to try before you commit a card.

Best for

Prototyping on Gemini without a large upfront bill.

Pricing

Free tier for many models, with rate limits, then usage-based paid rates. See ai.google.dev/pricing. Terms for how Google may use free-tier data differ from the paid tier.

Pricing checked November 7, 2026. Confirm it on the official site.

Before you commit

  • Read the free-tier data terms before you send user content.
  • Rate limits on the free tier will not carry a production app.

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