Compare Models
A metric-by-metric comparison using the latest available benchmark, runtime, and pricing values. Claude Fable 5 wins more comparable metrics.
| Metric | Claude Fable 5 | Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) |
|---|---|---|
| Artificial Analysis Intelligence Index | 59.9 | 57.6 |
| Artificial Analysis Coding Index | 76.5 | n/a |
| LiveBench Mathematics | n/a | 97.1% |
| Humanity's Last Exam | n/a | 61.4% |
| SciCode | n/a | 66.9% |
| Blended Price | n/a | $8.00 / 1M |
| Input Price | n/a | $4.00 / 1M |
| Output Price | n/a | $20.00 / 1M |
| Value Index | n/a | 7.2 |
