GPT-5.5 (xhigh) vs Kimi K2.6
For product management work, compared on the PM Index.
- GPT-5.5 (xhigh) leads on the PM Index (62.9 vs 55.6).
- Kimi K2.6 is cheaper ($1.71 vs $11.25 per 1M tokens).
- GPT-5.5 (xhigh) is faster (64 vs 41 tok/s).
| Metric | GPT-5.5 (xhigh) | Kimi K2.6 |
|---|---|---|
| PM Index | 62.9 | 55.6 |
| AA Intelligence | 60.2 | 53.9 |
| AA Coding | 59.1 | 47.1 |
| AA Agentic | 74.1 | 66.0 |
| Blended $/1M | $11.25 | $1.71 |
| Output tok/s | 64 | 41 |