Google Gemini API

Google's API for Gemini models, called through the Interactions API with the google-genai SDK. Supports text, vision, video understanding, structured JSON output, tool use, Google Search grounding, live voice, TTS and transcription.

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Google Gemini API at a glance

From official pages, checked Sep 29, 2026. Tap the arrow for each source.

Free tier: Yes
Free of charge on Flash models (not Pro); free-tier content is used to improve products.
Starting price: $0.75 per 1M input tokens
Gemini 3.8 Flash, $3.75 output; rises to $1.50/$7.50 on Jan 1, 2027.
Size limit: 1M token context
Gemini 3.8 Flash: 1,048,576 input tokens, 65,536 output tokens.
Official SDKs: PythonJavaScript / TypeScript
Trains on your data: No
Paid tier prompts and responses are not used to improve products; free tier data is.
EU hosting: Yes
EU multi-region endpoints via Google Cloud (Gemini Enterprise Agent Platform), not AI Studio.

What you can build with Google Gemini API

Google Gemini APISnippetPaste

Extract typed JSON from text with Gemini 3.8 Flash and Pydantic

Pass a Pydantic schema as Gemini's response_format and get validated JSON back from the Interactions API.

Free tier: YesFrom $0.75 per 1M input tokens

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Google Gemini API at a glance

What you can build with Google Gemini API

Extract typed JSON from text with Gemini 3.8 Flash and Pydantic

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