Qwen: Qwen3.5-27B wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Sonnet 4.5 | Qwen: Qwen3.5-27B |
|---|---|---|
| Intelligence Index | 37.1 | 42.1✓ |
| Coding Index | 33.5 | 34.9✓ |
| GPQA Diamond | 73% | 86%✓ |
| Design Arena Elo | 1242✓ | — |
| Speed (tokens/sec) | 45 | 60✓ |
| Latency | 787ms✓ | 919ms |
| Input price /M | $3.00 | $0.195✓ |
| Output price /M | $15.00 | $1.56✓ |
| Context window | 1M✓ | 262K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |