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Gemini 3.1 Pro Preview Custom Tools

byGoogle

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...

Input Price$2.00/1M tokens
Output Price$12.00/1M tokens
Intelligence57.2
Coding55.5

Specifications

Technical details and pricing.

ProviderGoogle
Context Window1,048,756 tokens
Release DateFeb 19, 2026
ModalitiesText, Audio, Image, Video, File → Text
CapabilitiesVision, Audio Input

Benchmarks

7 benchmark scores from Artificial Analysis.

GPQA94.1%
HLE44.7%
SciCode58.9%
LCR72.7%
IFBench77.1%
Tau295.6%
TerminalBench Hard53.8%

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Frequently Asked Questions

What is Gemini 3.1 Pro Preview Custom Tools good for?

Use Gemini 3.1 Pro Preview Custom Tools for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does Gemini 3.1 Pro Preview Custom Tools cost?

Pricing is based on usage. Current rates are $2.00/1M tokens for input and $12.00/1M tokens for output.

Can I try Gemini 3.1 Pro Preview Custom Tools for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does Gemini 3.1 Pro Preview Custom Tools support images or audio?

Gemini 3.1 Pro Preview Custom Tools can understand images.

Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.