Claude Fable 5.2 Sets New Record on ARC-AGI-3

ARC Prize officially verified that Anthropic's Claude Fable 5.2 achieved 97.7% on ARC-AGI-3 under the standard harness, setting a new record, with a Verified run scoring 81.2% at a cost of $21,900.

2026-11-10 ~ 2026-11-10 · 2 related posts

• Claude Fable 5.2 sets new ARC-AGI-3 high score: 81.2% standard harness at $21.9K per run — scaling01 · 2026-11-10

1 near-duplicate retellings: Southern-Break5505