Claude Fable 5 vs Claude Fable 5.1
Claude Fable 5.1 wins 4 of 5 shared jobs. 1 is too close to call.
Score by job
Scores run from 0 to 100 within each job. A gap under 3 points is too close to call. ~ marks an early read from too few benchmarks to rank. How scores work
At a glance
| Detail | Claude Fable 5 | Claude Fable 5.1 |
|---|---|---|
| Maker | Anthropic | Anthropic |
| Released | Jun 9, 2026 | Sep 1, 2026 |
| Weights | Closed | Closed |
| Price per 1M tokens | $10 in · $50 out | $10 in · $50 out |
| Overall rank | #4 | #1 |