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...
Model details →Google: Gemini 3.1 Pro Preview Custom Tools vs Anthropic Claude Sonnet Latest
Google: Gemini 3.1 Pro Preview Custom Tools and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.1 Pro Preview Custom Tools | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1M | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.00 | $2.00 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.00 | $10.00 | 🏆 Anthropic Claude Sonnet Latest |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 3.1 Pro Preview Custom Tools better than Anthropic Claude Sonnet Latest?
Google: Gemini 3.1 Pro Preview Custom Tools and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Google: Gemini 3.1 Pro Preview Custom Tools and Anthropic Claude Sonnet Latest?
Input: $2.00 vs $2.00 per 1M tokens. Output: $12.00 vs $10.00 per 1M tokens.
What context windows do Google: Gemini 3.1 Pro Preview Custom Tools and Anthropic Claude Sonnet Latest support?
Google: Gemini 3.1 Pro Preview Custom Tools supports up to 1.0M tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both Google: Gemini 3.1 Pro Preview Custom Tools and Anthropic Claude Sonnet Latest support tool calling?
Google: Gemini 3.1 Pro Preview Custom Tools: yes. Anthropic Claude Sonnet Latest: yes.
Compare Google: Gemini 3.1 Pro Preview Custom Tools with other models
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