Claude Sonnet 4.6 vs DeepSeek R1
Claude Sonnet 4.6 leads in 3 of 8 categories
Arena ELO
Claude Sonnet 4.6
Cheaper
DeepSeek R1
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Sonnet 4.6 | DeepSeek R1 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 1M WIN | 128K |
| Input Price ($/1M) | $3 | $0.55 WIN |
| Output Price ($/1M) | $15 | $2.19 WIN |
| Arena ELO | 1440 WIN | 1310 |
| Coding | 79.6% SWE-bench | unknown |
| Reasoning | 72.5% OSWorld | #1 Math & Coding Arena |
| Speed (tokens/sec) | ~80 t/s WIN | ~45 t/s |
| Open Source | No | Yes |
Frequently Asked Questions
Which is cheaper, Claude Sonnet 4.6 or DeepSeek R1?
DeepSeek R1 is approximately 85% cheaper than Claude Sonnet 4.6 per million tokens.
Which is better for coding, Claude Sonnet 4.6 or DeepSeek R1?
Claude Sonnet 4.6 scores 79.6% SWE-bench on coding benchmarks, while DeepSeek R1 scores unknown.
Which has a larger context window?
Claude Sonnet 4.6 supports 1M context, while DeepSeek R1 supports 128K.
Is Claude Sonnet 4.6 or DeepSeek R1 open source?
Claude Sonnet 4.6 is proprietary. DeepSeek R1 is open source.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Sonnet 4.6 ranks higher with ELO 1440 vs 1310.
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