OpenAI: GPT-5.4 Mini wins on more metrics (7 of 7), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5 Pro | OpenAI: GPT-5.4 Mini |
|---|---|---|
| Intelligence Index | — | 23.3✓ |
| Coding Index | — | 25.3✓ |
| GPQA Diamond | — | 61%✓ |
| Design Arena Elo | — | — |
| Speed (tokens/sec) | — | 94✓ |
| Latency | — | 735ms✓ |
| Input price /M | $15.00 | $0.750✓ |
| Output price /M | $120.00 | $4.50✓ |
| Context window | 400K | 400K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |