Claude Sonnet 4.6 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 47.5).
- GPT-5.6 Luna is cheaper ($2.25 vs $6.00 per 1M tokens).
- GPT-5.6 Luna is faster (204 vs 54 tok/s).
| Metric | Claude Sonnet 4.6 | GPT-5.6 Luna |
|---|---|---|
| PM Index | 47.5 | 52.1 |
| AA Intelligence | 47.2 | 51.2 |
| AA Coding | 63.0 | 71.4 |
| AA Agentic | 40.8 | 45.6 |
| Blended $/1M | $6.00 | $2.25 |
| Output tok/s | 54 | 204 |