Gemini 3.1 Pro Preview vs GPT-5.2
For product management work, compared on the PM Index.
- Gemini 3.1 Pro Preview leads on the PM Index (49.9 vs 46.5).
- Gemini 3.1 Pro Preview is cheaper ($4.50 vs $4.81 per 1M tokens).
- Gemini 3.1 Pro Preview is faster (117 vs 77 tok/s).
| Metric | Gemini 3.1 Pro Preview | GPT-5.2 |
|---|---|---|
| PM Index | 49.9 | 46.5 |
| AA Intelligence | 46.5 | 42.2 |
| AA Coding | 55.5 | 48.7 |
| AA Agentic | 59.1 | 60.2 |
| Blended $/1M | $4.50 | $4.81 |
| Output tok/s | 117 | 77 |