Claude Opus 5.5 (Canary Checkpoint) vs DeepSeek-V3
A direct, empirical evaluation of Claude Opus 5.5 (Canary Checkpoint) (Anthropic) against DeepSeek-V3 (DeepSeek-AI).
Claude Opus 5.5 (Canary Checkpoint)
Developed by Anthropic · Frontier Mixture-of-Experts Architecture parameters
Autonomous repository issue resolution (81.4% SWE-bench Verified), native 3D glTF/OBJ mesh synthesis, and sub-300ms time-to-first-token.
DeepSeek-V3
Developed by DeepSeek-AI · 671B parameters
Cost-effective high-throughput general reasoning and bilingual generation.
| Metric | Claude Opus 5.5 (Canary Checkpoint) | DeepSeek-V3 |
|---|---|---|
| SWE-bench Verified | 81.4% | 49.2% |
| MMLU-Pro | 94.2% | 75.9% |
| MATH-500 | 97.9% | 90.2% |
| Context Window | 1,000,000 tokens | 128,000 tokens |
| Input Pricing (per 1M) | $5.00 | $0.14 |
| Output Pricing (per 1M) | $25.00 | $0.28 |