Claude Fable 5 vs Grok 4.5
For product management work, compared on the PM Index.
- Claude Fable 5 leads on the PM Index (60.1 vs 54.0).
- Grok 4.5 is cheaper ($3.00 vs $20.00 per 1M tokens).
- Grok 4.5 is faster (90 vs 63 tok/s).
| Metric | Claude Fable 5 | Grok 4.5 |
|---|---|---|
| PM Index | 60.1 | 54.0 |
| AA Intelligence | 59.9 | 53.8 |
| AA Coding | 76.5 | 72.4 |
| AA Agentic | 52.8 | 45.7 |
| Blended $/1M | $20.00 | $3.00 |
| Output tok/s | 63 | 90 |