Claude Fable 5.1 vs Claude Sonnet 4.5
| Claude Fable 5.1 | Claude Sonnet 4.5 | |
|---|---|---|
| Coding index | 89.1 | 59.1 |
| Benchmarks behind it | Partial, 2 benchmarks | Partial, 2 benchmarks |
| Output $/Mtok | $50.00 | $15.00 |
| Cost per solved task | Not computable | $1.16 |
| Context window | 1M | 1M |