GPT-5.4 nano vs Kimi K2.5
For product management work, compared on the PM Index.
- Kimi K2.5 leads on the PM Index (38.1 vs 37.9).
- GPT-5.4 nano is cheaper ($0.46 vs $1.19 per 1M tokens).
- GPT-5.4 nano is faster (141 vs 40 tok/s).
| Metric | GPT-5.4 nano | Kimi K2.5 |
|---|---|---|
| PM Index | 37.9 | 38.1 |
| AA Intelligence | 38.2 | 38.1 |
| AA Coding | 56.1 | — |
| AA Agentic | 27.5 | — |
| Blended $/1M | $0.46 | $1.19 |
| Output tok/s | 141 | 40 |