Claude Opus 5 vs DeepSeek R1
Claude Opus 5 leads in 3 of 8 categories
Arena ELO
DeepSeek R1
Cheaper
Claude Opus 5
Faster
DeepSeek R1
Detailed Comparison
| Category | Claude Opus 5 | DeepSeek R1 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 200K WIN | 128K |
| Input Price ($/1M) | $15 WIN | N/A |
| Output Price ($/1M) | $75 WIN | N/A |
| Arena ELO | N/A | 1310 WIN |
| Coding | N/A | unknown |
| Reasoning | N/A | #1 Math & Coding Arena |
| Speed (tokens/sec) | N/A | ~45 t/s WIN |
| Open Source | No | Yes |
Frequently Asked Questions
Which is better for coding, Claude Opus 5 or DeepSeek R1?
Claude Opus 5 scores N/A on coding benchmarks, while DeepSeek R1 scores unknown.
Which has a larger context window?
Claude Opus 5 supports 200K context, while DeepSeek R1 supports 128K.
Is Claude Opus 5 or DeepSeek R1 open source?
Claude Opus 5 is proprietary. DeepSeek R1 is open source.
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