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Field
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Gemini 3.1 Pro Preview Custom Tools
google/gemini-3.1-pro-preview-customtools
OrganizationGoogle
FamilyGemini
Released2026-02-19
Context window1M
Max output66K
Modalities
AudioInputDocumentInputImageInputTextInputTextOutputVideoInput
ProvidersGoogle, NanoGPT, AIHubMix, OrcaRouter, Vertex, Kilo Gateway, Merge Gateway, OpenRouter
WeightsClosed
Attachments
Native
Reasoning
Native
Parameters: reasoning, include_reasoning, reasoning_effort
Tool call
Native
Parameters: tools, tool_choice
Structured
Native
Parameters: structured_outputs, response_format
Temperature
Native
Parameters: temperature
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