Claude 3.7 Sonnet vs DeepSeek V5 (Leaked Staging)
A direct, empirical evaluation of Claude 3.7 Sonnet (Anthropic) against DeepSeek V5 (Leaked Staging) (DeepSeek AI).
Claude 3.7 Sonnet
Developed by Anthropic · Proprietary parameters
Enterprise software engineering, full-repo refactoring, and agentic workflows.
DeepSeek V5 (Leaked Staging)
Developed by DeepSeek AI · 1.8 Trillion (Sparse MoE) parameters
Autonomous coding agents scoring 81.4% on SWE-bench Verified, zero-telemetry self-hosting, sub-cent 1M-token processing, and formal mathematical proofs.
| Metric | Claude 3.7 Sonnet | DeepSeek V5 (Leaked Staging) |
|---|---|---|
| SWE-bench Verified | 70.3% | 81.4% |
| MMLU-Pro | 82.1% | 87.5% |
| MATH-500 | 96.2% | 96.8% |
| Context Window | 200,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $3.00 | $0.12 |
| Output Pricing (per 1M) | $15.00 | $0.48 |