Claude Fable 5 vs Claude Opus 4.8
For product management work, compared on the PM Index.
- Claude Fable 5 leads on the PM Index (67.8 vs 64.2).
- Claude Opus 4.8 is cheaper ($10.00 vs $20.00 per 1M tokens).
| Metric | Claude Fable 5 | Claude Opus 4.8 |
|---|---|---|
| PM Index | 67.8 | 64.2 |
| AA Intelligence | 64.9 | 61.4 |
| AA Coding | 62.0 | 56.7 |
| AA Agentic | 80.6 | 77.8 |
| Blended $/1M | $20.00 | $10.00 |
| Output tok/s | — | 60 |