GPT-5.6 Terra vs Kimi K3
For product management work, compared on the PM Index.
- Kimi K3 leads on the PM Index (57.6 vs 55.7).
- GPT-5.6 Terra is cheaper ($5.63 vs $6.00 per 1M tokens).
- GPT-5.6 Terra is faster (138 vs 62 tok/s).
| Metric | GPT-5.6 Terra | Kimi K3 |
|---|---|---|
| PM Index | 55.7 | 57.6 |
| AA Intelligence | 55.0 | 57.1 |
| AA Coding | 76.7 | 76.2 |
| AA Agentic | 47.4 | 50.1 |
| Blended $/1M | $5.63 | $6.00 |
| Output tok/s | 138 | 62 |