Claude Sonnet 4.6 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 47.5).
- GPT-5.6 Terra is cheaper ($5.63 vs $6.00 per 1M tokens).
- GPT-5.6 Terra is faster (144 vs 54 tok/s).
| Metric | Claude Sonnet 4.6 | GPT-5.6 Terra |
|---|---|---|
| PM Index | 47.5 | 55.7 |
| AA Intelligence | 47.2 | 55.0 |
| AA Coding | 63.0 | 76.7 |
| AA Agentic | 40.8 | 47.4 |
| Blended $/1M | $6.00 | $5.63 |
| Output tok/s | 54 | 144 |