DeepSeek V4 Pro 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 44.2).
- DeepSeek V4 Pro is cheaper ($0.54 vs $2.25 per 1M tokens).
- GPT-5.6 Luna is faster (204 vs 59 tok/s).
| Metric | DeepSeek V4 Pro | GPT-5.6 Luna |
|---|---|---|
| PM Index | 44.2 | 52.1 |
| AA Intelligence | 44.3 | 51.2 |
| AA Coding | 59.4 | 71.4 |
| AA Agentic | 36.4 | 45.6 |
| Blended $/1M | $0.54 | $2.25 |
| Output tok/s | 59 | 204 |