Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview Custom Tools by Google excels in the Coding category, where it ranks #28 with a composite score of 85/100. 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 or user-defined functions are available. This specialized preview endpoint significantly increases function calling reliability and ensures the model selects the most appropriate tool in coding agents and complex, multi-tool workflows. It retains the core strengths of Gemini 3.1 Pro, including multimodal reasoning across text, image, video, audio, and code, a 1M-token context window, and strong software engineering performance. It is particularly strong in areas highlighted by its top benchmark performance and adoption metrics, making it suitable for both individual developers and enterprise teams looking for a reliable coding solution.

Gemini 3.1 Pro Preview Custom Tools is priced at $2.00 per million input tokens and $12.00 per million output tokens (USD). Contact the provider for volume discounts and enterprise pricing. Pricing is competitive within the coding category and reflects the model's quality-to-cost ratio.

In the Coding category, Gemini 3.1 Pro Preview Custom Tools holds rank #28 out of 6 models tracked. Its quality rank is #28 and adoption rank is #28. You can use our comparison tool at /compare to see detailed side-by-side metrics with specific alternatives. Key differentiators include its composite scoring across benchmarks, community sentiment, and real-world adoption rates.

Gemini 3.1 Pro Preview Custom Tools has been evaluated across 5 different signals. Its strongest areas include Capabilities (83/100), Pricing (12/100), Context Window (96/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 85/100 reflects a weighted combination of all tracked signals.

Gemini 3.1 Pro Preview Custom Tools is a paid model, though some providers may offer trial credits or limited free tiers for evaluation. Check Google's website for current free tier availability and promotional offers.