Claude Fable 5.1 (Max): benchmark results
Provider: Anthropic. Released 2026-09-01. Access: API.
Unified ELO 1800 ± 1, rank #6 of 1761 rated models, from 79 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| Chatbot Arena (Code) | 1765.37 | Elo | 100 |
| CursorBench 3.1 | 73.4 | Score (%) | 100 |
| Epoch AI - Frontierswe | 56.29 | Score | 100 |
| LMArena WebDev Arena | 1765.37 | Arena rating (self-reported) | 100 |
| LiveBench Olympiad | 92.97 | Score | 100 |
| Vals AI (Vals Index) | 68.83 | Accuracy (%) | 100 |
| Vals AI Excel Modeling | 76.67 | Accuracy (%) | 100 |
| Vals AI LiveCodeBench | 90.52 | Accuracy (%) | 100 |
| Vals AI MMLU-Pro | 92.38 | Accuracy (%) | 100 |
| Vals AI MMMU | 90.64 | Accuracy (%) | 100 |
| Vals AI MedScribe | 91.29 | Accuracy (%) | 100 |
| WebDev Arena | 1765.37 | Arena Score | 100 |
Interactive version: theaggregate.ai/model?slug=claude-fable-5-1-max · How It Works · Data refreshed daily, snapshot 2026-09-05.