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Google DeepMind

Is Gemini 3.1 Pro Preview Custom Tools out? Yes, since February 19, 2026

Yes. Gemini 3.1 Pro Preview Custom Tools was released on February 19, 2026.

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Have you used it? Gemini 3.1 Pro Preview Custom Tools

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Google DeepMind
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Gemini
Release date
Source
Gemini API · Release notes

What changed

  • context 1.05M tokens · Context window of Gemini 3.1 Pro Preview Custom Tools. Gemini 3.1 Pro Preview is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price $2.00 / MTok · Prompt price of Gemini 3.1 Pro Preview Custom Tools. Gemini 3.1 Pro Preview is the previous model of the same tier, but the gap is beyond what a percentage explains.

About Gemini 3.1 Pro Preview Custom Tools

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...

Next Gemini model to watch

No next Gemini model has been announced yet.

Questions

When was Gemini 3.1 Pro Preview Custom Tools released?
Gemini 3.1 Pro Preview Custom Tools was released on February 19, 2026.
Who makes Gemini 3.1 Pro Preview Custom Tools?
Gemini 3.1 Pro Preview Custom Tools is made by Google DeepMind.
What comes after Gemini 3.1 Pro Preview Custom Tools?
Gemini 3.1 Pro Preview, released on February 19, 2026.