Claude Fable 5.1 benchmark ranking on every AI leaderboard
closed weights · #1 overall, podium score 57.3 · #1 on 1 board · top 10 on 11 of 13 · released Sep 1, 2026
13 of 13 boards
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 1 |  LiveBenchReasoning · as “claude-fable-5-1-max-effort” | Reasoning | 83.4% | 59 | |
| 2 |  AA IntelligenceReasoning · as “Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)” | Reasoning | 53.4 | 100 | |
| 2 |  HLEReasoning · as “Fable 5.1 (xhigh)” | Reasoning | 46.5% | 42 | |
| 2 |  Epoch ECIReasoning · as “Claude Fable 5.1” | Reasoning | 165.0 | 100 | |
| 2 | SWE-Bench ProCoding · as “Fable 5.1 (Claude Code) high” | Coding | 92.2% | 11 | |
| 2 | MCP AtlasAgents and tools · as “Fable 5.1” | Agents and tools | 87.2% | 34 | |
| 2 |  Document ArenaVision · as “claude-fable-5.1-max” | Vision | 1,513 | 38 | |
| 3 | WebDev ArenaCoding · as “claude-fable-5.1-max” | Coding | 1,755 | 100 | |
| 5 | Text ArenaChat · as “claude-fable-5.1-max” | Chat | 1,498 | 100 | |
| 5 |  ARC-AGI-2Reasoning · as “Claude Fable 5.1 (Max)” | Reasoning | 90.0% | 78 | |
| 9 | Vision ArenaVision · as “claude-fable-5.1-max” | Vision | 1,289 | 100 | |
| 13 | AA SpeedSpeed · as “Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)” | Speed | 66 tok/s | 24 | |
| 26 | AA PricePrice · as “Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)” | Price | $20.0 | 27 |
Category ranks and more models
Scores as published by each board on the capture date. Model names and logos belong to their owners; logos via logo.dev.