Gemini Pro Custom Tools by Google

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

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...
What OpenRouter says about Gemini 3.1 Pro Preview Custom Tools

Facts

Maker: Google
Models: 1 on OpenRouter
Newest: google/gemini-3.1-pro-preview-customtools

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 1

Model	Released	Context	Input / 1M	Output / 1M	Supports
Gemini 3.1 Pro Preview Custom Tools `google/gemini-3.1-pro-preview-customtools`	Feb 2026	1.05M	$2	$12	tools, structured output, reasoning, caching, audio, file, image, video

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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