Side-by-side comparison of AI model specs, benchmarks, and pricing.
| Spec | DeepSeek R1 DeepSeek | Claude Sonnet 4.6 Anthropic |
|---|---|---|
| Tier | open | frontier |
| Release Date | 2025-05-28 | 2026-02-17 |
| Context Window | 131K | 200K |
| Max Output | 16K | 64K |
| Input Price (/1M) | $1.35 | $3 |
| Output Price (/1M) | $4.2 | $15 |
| Arena Elo | 1,418 | 1,470 |
| MMLU | 90.8% | 91% |
| GPQA | 81% | 88% |
| MATH | 97.3% | 97.8% |
| HumanEval | 96.1% | 96% |
| SWE-bench | 49.2% | 70.3% |
| Capabilities | code, reasoning | vision, tool-use, code, extended-thinking |