Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation.…
Model details →Google: Gemini 3.1 Pro Preview vs Anthropic Claude Sonnet Latest
Google: Gemini 3.1 Pro Preview 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 | 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 |
| 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 better than Anthropic Claude Sonnet Latest?
Google: Gemini 3.1 Pro Preview 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 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 and Anthropic Claude Sonnet Latest support?
Google: Gemini 3.1 Pro Preview supports up to 1.0M tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both Google: Gemini 3.1 Pro Preview and Anthropic Claude Sonnet Latest support tool calling?
Google: Gemini 3.1 Pro Preview: yes. Anthropic Claude Sonnet Latest: yes.
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