OpenAI: GPT-5.4 Nano wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.4 Nano | Qwen: Qwen3.6 Plus |
|---|---|---|
| Intelligence Index | 38.2 | 39.6✓ |
| Coding Index | 43.9✓ | 42.9 |
| GPQA Diamond | 82% | 88%✓ |
| Design Arena Elo | — | 1287✓ |
| Speed (tokens/sec) | 59✓ | 40 |
| Latency | 553ms✓ | 1.1s |
| Input price /M | $0.200✓ | $0.325 |
| Output price /M | $1.25✓ | $1.95 |
| Context window | 400K | 1M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |