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Gemini 3.1 Pro (Preview)
gemini-3.1-pro-preview · Google
Google's most capable Gemini API model, with multimodal input and a 1M-token context window.
Context
1M
Input
$2/M
Output
$12/M
Released
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text inputimage inputaudio inputvideo inputtext outputGoogle
Prompts over 200K tokens: $4 in / $18 out.
Model id
gemini-3.1-pro-previewUse this string as model in your request.
Availability
Catalog only. Not routed by the gateway yet.
Official model page: ai.google.dev