OpenAI: GPT-5.4 Image 2 vs OpenAI: GPT-5.6 Sol
OpenAI: GPT-5.4 Image 2 wins on more metrics (3 of 5), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.4 Image 2 | OpenAI: GPT-5.6 Sol |
|---|---|---|
| Intelligence Index | — | — |
| Coding Index | — | — |
| GPQA Diamond | — | — |
| Design Arena Elo | — | — |
| Speed (tokens/sec) | 40✓ | 33 |
| Latency | 640ms✓ | 2.8s |
| Input price /M | $8.00 | $5.00✓ |
| Output price /M | $15.00✓ | $30.00 |
| Context window | 272K | 1.1M✓ |
| Capabilities | ReasoningJSONVisionImage out | ReasoningToolsJSONVision |