DeepSeek V4 Pro vs GPT-5.6 Terra
For product management work, compared on the PM Index.
- GPT-5.6 Terra leads on the PM Index (55.7 vs 44.2).
- DeepSeek V4 Pro is cheaper ($0.54 vs $5.63 per 1M tokens).
- GPT-5.6 Terra is faster (144 vs 59 tok/s).
| Metric | DeepSeek V4 Pro | GPT-5.6 Terra |
|---|---|---|
| PM Index | 44.2 | 55.7 |
| AA Intelligence | 44.3 | 55.0 |
| AA Coding | 59.4 | 76.7 |
| AA Agentic | 36.4 | 47.4 |
| Blended $/1M | $0.54 | $5.63 |
| Output tok/s | 59 | 144 |