Claude Sonnet 4.6 vs Gemini 3.1 Pro Preview Custom Tools
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Claude Sonnet 4.6 vs Gemini 3.1 Pro Preview Custom Tools: side by side
| Spec | Claude Sonnet 4.6 | Gemini 3.1 Pro Preview Custom Tools | Winner |
|---|---|---|---|
| Intelligence | 42.6 | — | Tie |
| Output speed | 44 t/s | — | Tie |
| Output price | $15.00/1M | $12.00/1M | Gemini 3.1 Pro Preview Custom Tools |
| Context | 1000K | 1049K | Gemini 3.1 Pro Preview Custom Tools |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | Anthropic | Tie |
Claude Sonnet 4.6
Pros
- +Strong logical coherence
- +Careful safety alignment
- +Effective handling of large contexts
- +High-quality multimodal integration
Cons
- –Conservative refusal patterns on edge cases
- –Slower response times on complex inputs
- –Knowledge limited to training cutoff
Gemini 3.1 Pro Preview Custom Tools
Pros
- +Strong cross-modal coherence on mixed inputs
- +Effective use of very large context windows
- +Flexible extension via custom tools
Cons
- –Preview status may include occasional instability
- –Large contexts can increase latency and cost
- –Tool setup requires additional configuration
Frequently asked questions
It depends on your needs. Claude Sonnet 4.6 and Gemini 3.1 Pro Preview Custom Tools are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.