Qwen: Qwen3.5 Plus 2026-04-20 wins on more metrics (5 of 8), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Qwen: Qwen3.5 Plus 2026-04-20 | Qwen: Qwen3.6 Max Preview |
|---|---|---|
| Intelligence Index | — | 51.8✓ |
| Coding Index | — | 44.9✓ |
| GPQA Diamond | — | 89%✓ |
| Design Arena Elo | — | — |
| Speed (tokens/sec) | 52✓ | 46 |
| Latency | 1.3s✓ | 1.5s |
| Input price /M | $0.300✓ | $1.04 |
| Output price /M | $1.80✓ | $6.24 |
| Context window | 1M✓ | 262K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |