Qwen: Qwen3.6 Plus wins on more metrics (5 of 8), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Sonnet 4.6 | Qwen: Qwen3.6 Plus |
|---|---|---|
| Intelligence Index | 42.6 | 50.0✓ |
| Coding Index | 43.0✓ | 42.9 |
| GPQA Diamond | 80% | 88%✓ |
| Design Arena Elo | 1329✓ | 1288 |
| Speed (tokens/sec) | 44✓ | 39 |
| Latency | 1.3s | 1.2s✓ |
| Input price /M | $3.00 | $0.325✓ |
| Output price /M | $15.00 | $1.95✓ |
| Context window | 1M | 1M |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |