← Leaderboard

model profile

Excellent

Claude Fable 5.1

Anthropic·claude-fable-5-1

Rank · overall#2

Score96.5

Benchmark scores

6 benchmarks

Chatbot Arena (Coding)1570Coding Elo

Artificial Analysis56.8Intelligence Index

ARC-AGI90%

Score

Arena Agent15.87%

Net Improvement · ± 2.84

FrontierMath (Tier 4)87.8%

Accuracy · ± 5.2

MCP Atlas87.2Score

Across harnesses

0 agents

This model appears only in model-level benchmarks — no harness ran it directly.

Scraped and aggregated from public leaderboards · 2026-09-07