Anthropic’s most capable generally available model for complex reasoning and agentic coding (per Anthropic models overview).
Model details →Claude Opus 4.7 vs Google: Gemini 3.1 Pro Preview Custom Tools
Google: Gemini 3.1 Pro Preview Custom Tools wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
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 …
Model details →Side-by-side comparison
| Capability | Claude Opus 4.7 | Google: Gemini 3.1 Pro Preview Custom Tools | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | $2.00 | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | $12.00 | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Google: Gemini 3.1 Pro Preview Custom Tools |
Frequently asked questions
Is Claude Opus 4.7 better than Google: Gemini 3.1 Pro Preview Custom Tools?
Google: Gemini 3.1 Pro Preview Custom Tools wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Claude Opus 4.7 and Google: Gemini 3.1 Pro Preview Custom Tools?
Input: Custom vs $2.00 per 1M tokens. Output: Custom vs $12.00 per 1M tokens.
What context windows do Claude Opus 4.7 and Google: Gemini 3.1 Pro Preview Custom Tools support?
Claude Opus 4.7 supports up to 1M tokens. Google: Gemini 3.1 Pro Preview Custom Tools supports up to 1.0M tokens.
Do both Claude Opus 4.7 and Google: Gemini 3.1 Pro Preview Custom Tools support tool calling?
Claude Opus 4.7: not advertised. Google: Gemini 3.1 Pro Preview Custom Tools: yes.
Compare Claude Opus 4.7 with other models
vs Amazon: Nova Lite 1.0vs Amazon: Nova Premier 1.0vs Amazon: Nova Pro 1.0vs Anthropic: Claude 3 Haiku