Claude Sonnet 4.6 vs Gemini 3.5 Flash
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 3.5 Flash: side by side
| Spec | Claude Sonnet 4.6 | Gemini 3.5 Flash | Winner |
|---|---|---|---|
| Intelligence | 34.3 | 45.4 | Gemini 3.5 Flash |
| Output speed | 44 t/s | 161 t/s | Gemini 3.5 Flash |
| Output price | $15.00/1M | $9.00/1M | Gemini 3.5 Flash |
| Context | 1000K | 1049K | Gemini 3.5 Flash |
| Params | — | — | Tie |
| Provider | Anthropic | Tie |
Claude Sonnet 4.6
Pros
- +Strong logical coherence
- +Careful safety alignment
- +Effective handling of large contexts
Cons
- –Conservative refusal patterns on edge cases
- –Slower response times on complex inputs
- –Knowledge limited to training cutoff
Gemini 3.5 Flash
Pros
- +High speed and efficiency
- +Strong multimodal integration
- +Large context window support
Cons
- –Trades depth for speed on complex tasks
- –Variable performance on specialized domains
- –Context utilization depends on task
Frequently asked questions
It depends on your needs. Claude Sonnet 4.6 and Gemini 3.5 Flash are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.