Claude Sonnet 4.6 vs DeepSeek-V4-Flash-0731
Claude Sonnet 4.6 leads in 5 of 8 categories
Arena ELO
Claude Sonnet 4.6
Cheaper
Claude Sonnet 4.6
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Sonnet 4.6 | DeepSeek-V4-Flash-0731 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 1M WIN | uncertain |
| Input Price ($/1M) | $2 WIN | N/A |
| Output Price ($/1M) | $12 WIN | N/A |
| Arena ELO | 1440 WIN | N/A |
| Coding | 79.6% SWE-bench | N/A |
| Reasoning | 72.5% OSWorld | N/A |
| Speed (tokens/sec) | ~80 t/s WIN | N/A |
| Open Source | No | Yes |
Frequently Asked Questions
Which is better for coding, Claude Sonnet 4.6 or DeepSeek-V4-Flash-0731?
Claude Sonnet 4.6 scores 79.6% SWE-bench on coding benchmarks, while DeepSeek-V4-Flash-0731 scores N/A.
Which has a larger context window?
Claude Sonnet 4.6 supports 1M context, while DeepSeek-V4-Flash-0731 supports uncertain.
Is Claude Sonnet 4.6 or DeepSeek-V4-Flash-0731 open source?
Claude Sonnet 4.6 is proprietary. DeepSeek-V4-Flash-0731 is open source.
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