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Gemini 3.1 Pro Preview Custom Tools

Name: Gemini 3.1 Pro Preview Custom Tools
Author: Google

by Google

Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-part

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Models

Gemini 3.1 Pro Preview Custom Tools

Added 10 July 2026

#google

Overview

Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...

How to use / API access

Call via OpenRouter with model id `google/gemini-3.1-pro-preview-customtools`.

openrouter · google/gemini-3.1-pro-preview-customtools Docs

OpenRouter id: google/gemini-3.1-pro-preview-customtools

Notes

Gemini 3.1 Pro Preview Custom Tools is listed in the EDNA Models directory from the OpenRouter catalogue.

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