GPT-5.4 vs GPT-5.6 Luna
For product management work, compared on the PM Index.
- GPT-5.6 Luna leads on the PM Index (52.1 vs 51.3).
- GPT-5.6 Luna is cheaper ($2.25 vs $5.63 per 1M tokens).
- GPT-5.6 Luna is faster (204 vs 162 tok/s).
| Metric | GPT-5.4 | GPT-5.6 Luna |
|---|---|---|
| PM Index | 51.3 | 52.1 |
| AA Intelligence | 51.4 | 51.2 |
| AA Coding | 71.1 | 71.4 |
| AA Agentic | 41.1 | 45.6 |
| Blended $/1M | $5.63 | $2.25 |
| Output tok/s | 162 | 204 |