Claude Sonnet 4 vs Gemini 3.1 Pro Preview
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 vs Gemini 3.1 Pro Preview: side by side
| Spec | Claude Sonnet 4 | Gemini 3.1 Pro Preview | Winner |
|---|---|---|---|
| Intelligence | — | 57.2 | Tie |
| Output speed | — | 133 t/s | Tie |
| Output price | $15.00/1M | $12.00/1M | Gemini 3.1 Pro Preview |
| Context | 1000K | 1049K | Gemini 3.1 Pro Preview |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | Anthropic | Tie |
Claude Sonnet 4
Pros
- +Strong reasoning and coherence over long inputs
- +Careful safety alignment
- +High-quality, detailed responses
- +Effective multimodal integration
Cons
- –Conservative refusals on sensitive topics
- –No native audio or video support
- –May prioritize caution over maximum helpfulness
Gemini 3.1 Pro Preview
Pros
- +Handles up to 1M token contexts
- +Native support for audio, image, video, and text
- +Strong integration of multiple modalities
- +Effective for large-scale document analysis
Cons
- –Preview model may show inconsistent outputs
- –High resource use with maximum context
- –Requires verification on complex tasks
Frequently asked questions
It depends on your needs. Claude Sonnet 4 and Gemini 3.1 Pro Preview are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.