Claude Opus 5.5 vs Qwen3.8-Max
Claude Opus 5.5 (Anthropic) and Qwen3.8-Max (Alibaba Qwen) compared on price, context window, speed and independent benchmarks. Claude Opus 5.5 scores higher on the Artificial Analysis Intelligence Index (57.6 vs 45.4), while Qwen3.8-Max is 2.7× cheaper on a blended basis. Pick Claude Opus 5.5 for the hardest tasks and Qwen3.8-Max when cost dominates.
| Claude Opus 5.5 | Qwen3.8-Max | |
|---|---|---|
| Provider | Anthropic | Alibaba Qwen |
| Input $/1M | $4.00 | $2.00 |
| Output $/1M | $20.0 | $6.00 |
| Blended $/1M (3:1) | $8.00 | $3.00 |
| Cached input $/1M | $0.20 | $0.25 |
| Context window | 1M | 1M |
| Knowledge cutoff | 2026-06 | — |
| License | proprietary | proprietary |
| Speed (tok/s) | 85 | 39 |
| Artificial Analysis Intelligence Index | 57.6 | 45.4 |
| LMArena Elo | — | 1481 |
| GPQA Diamond | — | 92.8% |
| Humanity's Last Exam | 61.4% | 43.1% |