OpenAI: GPT-5.3-Codex wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.3-Codex | Qwen: Qwen3.7 Plus |
|---|---|---|
| Intelligence Index | 53.6✓ | 53.3 |
| Coding Index | 53.1✓ | 46.5 |
| GPQA Diamond | 92%✓ | 90% |
| Design Arena Elo | 1229✓ | — |
| Speed (tokens/sec) | 45✓ | 26 |
| Latency | 4.1s | 1.0s✓ |
| Input price /M | $1.75 | $0.320✓ |
| Output price /M | $14.00 | $1.28✓ |
| Context window | 400K | 1M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |