GPT-5.4 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 51.3).
- GPT-5.4 is cheaper ($5.63 vs $5.63 per 1M tokens).
- GPT-5.4 is faster (162 vs 144 tok/s).
| Metric | GPT-5.4 | GPT-5.6 Terra |
|---|---|---|
| PM Index | 51.3 | 55.7 |
| AA Intelligence | 51.4 | 55.0 |
| AA Coding | 71.1 | 76.7 |
| AA Agentic | 41.1 | 47.4 |
| Blended $/1M | $5.63 | $5.63 |
| Output tok/s | 162 | 144 |