Claude Fable 5

Anthropic·claude-fable-5

Rank · overall#4

Score91.2

Benchmark scores

10 benchmarks

SWE-bench Verified95%

% Resolved · 2026-06-09

ixio runs100%

Pass rate · 2026-07-09

Chatbot Arena (Coding)1566Coding Elo

Artificial Analysis53.2Intelligence Index

ARC-AGI89.2%

Score

Arena Agent10.61%

Net Improvement · ± 1.53

WebDev Arena1629WebDev Elo · ± 8

FrontierMath (Tier 4)87.8%

Accuracy · ± 5.2

MCP Atlas83.3Score

BrowseComp88%

Accuracy

2 agents

Per-benchmark score · composite per harness. Tap a row to open that board.

Scraped and aggregated from public leaderboards · 2026-09-05