Gemini 3.1 Pro Preview vs Grok 4.3
For product management work, compared on the PM Index.
- Gemini 3.1 Pro Preview leads on the PM Index (57.4 vs 54.5).
- Grok 4.3 is cheaper ($1.56 vs $4.50 per 1M tokens).
- Grok 4.3 is faster (169 vs 123 tok/s).
| Metric | Gemini 3.1 Pro Preview | Grok 4.3 |
|---|---|---|
| PM Index | 57.4 | 54.5 |
| AA Intelligence | 57.2 | 53.2 |
| AA Coding | 55.5 | 41.0 |
| AA Agentic | 59.1 | 65.9 |
| Blended $/1M | $4.50 | $1.56 |
| Output tok/s | 123 | 169 |