Grok 4.1 Fast (Reasoning) vs Grok 4.20 0309 (Reasoning)
For product management work, compared on the PM Index.
- Grok 4.20 0309 (Reasoning) leads on the PM Index (48.4 vs 40.0).
| Metric | Grok 4.1 Fast (Reasoning) | Grok 4.20 0309 (Reasoning) |
|---|---|---|
| PM Index | 40.0 | 48.4 |
| AA Intelligence | 38.6 | 48.5 |
| AA Coding | 30.9 | 42.2 |
| AA Agentic | 49.3 | 50.9 |
| Blended $/1M | — | $3.00 |
| Output tok/s | — | 197 |