OpenAI: GPT-5.2 vs OpenAI: GPT-5.4
OpenAI: GPT-5.4 wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.2 | OpenAI: GPT-5.4 |
|---|---|---|
| Intelligence Index | 42.2 | 51.4✓ |
| Coding Index | — | 71.1✓ |
| GPQA Diamond | 90% | 92%✓ |
| Design Arena Elo | — | 1241✓ |
| Speed (tokens/sec) | 57 | 60✓ |
| Latency | 711ms✓ | 756ms |
| Input price /M | $1.75✓ | $2.50 |
| Output price /M | $14.00✓ | $15.00 |
| Context window | 400K | 1.1M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |