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 Opus Latest
Google: Gemini 3.1 Pro Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest model in the Claude Opus family.
Model details →Side-by-side comparison
| Capability | Google: Gemini 3.1 Pro Preview | Anthropic: Claude Opus 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 | $5.00 | 🏆 Google: Gemini 3.1 Pro Preview |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.00 | $25.00 | 🏆 Google: Gemini 3.1 Pro Preview |
| 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 Opus Latest?
Google: Gemini 3.1 Pro Preview wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 3.1 Pro Preview and Anthropic: Claude Opus Latest?
Input: $2.00 vs $5.00 per 1M tokens. Output: $12.00 vs $25.00 per 1M tokens.
What context windows do Google: Gemini 3.1 Pro Preview and Anthropic: Claude Opus Latest support?
Google: Gemini 3.1 Pro Preview supports up to 1.0M tokens. Anthropic: Claude Opus Latest supports up to 1M tokens.
Do both Google: Gemini 3.1 Pro Preview and Anthropic: Claude Opus Latest support tool calling?
Google: Gemini 3.1 Pro Preview: yes. Anthropic: Claude Opus Latest: yes.
Compare Google: Gemini 3.1 Pro Preview with other models
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