GPT-5.5 vs GPT-5.6 Sol
For product management work, compared on the PM Index.
- GPT-5.6 Sol leads on the PM Index (59.8 vs 54.8).
- GPT-5.5 is cheaper ($11.25 vs $11.25 per 1M tokens).
- GPT-5.6 Sol is faster (78 vs 66 tok/s).
| Metric | GPT-5.5 | GPT-5.6 Sol |
|---|---|---|
| PM Index | 54.8 | 59.8 |
| AA Intelligence | 54.8 | 58.9 |
| AA Coding | 74.9 | 77.4 |
| AA Agentic | 44.9 | 54.0 |
| Blended $/1M | $11.25 | $11.25 |
| Output tok/s | 66 | 78 |