Gemini 3.1 Pro Preview Custom Tools

Gemini 3.1 Pro Preview Custom Tools by Google excels in the Coding category, where it ranks #34 with a composite score of 81/100. 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... 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 #34 out of 341 models tracked. Its quality rank is #34 and adoption rank is #34. 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 6 different signals. Its strongest areas include Capabilities (100/100), Benchmarks (79/100), Pricing (88/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 81/100 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.

Gemini 3.1 Pro Preview Custom Tools supports a 1,049K token context window (1,048,576 tokens total). That translates to roughly 786,432 words in a single prompt. This is large enough to process entire codebases, research papers, or long conversation histories in one shot.

Gemini 3.1 Pro Preview Custom Tools can generate up to 66K output tokens (65,536 tokens) per response. That is roughly 49,152 words. This is enough for generating complete code files, detailed reports, or long-form content in a single response.

Gemini 3.1 Pro Preview Custom Tools supports image understanding (vision), function/tool calling, structured JSON output, extended reasoning/chain-of-thought, web search, streaming responses. Function calling lets you integrate it with external APIs and tools programmatically. Vision support means it can analyze images, screenshots, and diagrams alongside text. These capabilities determine which workflows and integrations the model can handle natively.

Gemini 3.1 Pro Preview Custom Tools was developed by Google. It was released on February 25, 2026. You can access it through Google's API. Check our provider page for all models from Google and how they compare against each other.

Pick Gemini 3.1 Pro Preview Custom Tools when you need top-tier performance and can justify the cost for quality-critical tasks like production code generation, complex reasoning, or enterprise deployments. If your task is straightforward text completion or classification, a cheaper model might give you 90% of the quality at a fraction of the price. Run a quick benchmark on your actual use case before committing.

You can access Gemini 3.1 Pro Preview Custom Tools through Google's API using standard HTTP requests or their official SDK. Most providers support OpenAI-compatible endpoints, so switching between models often requires changing just the model name in your API call. Streaming is supported for real-time token-by-token output. For production use, implement proper error handling, rate limiting, and cost monitoring.