ARC Prize Verified

Claude Fable 5

Anthropic·Jun 9, 2026·5 reasoning variants

As of August 3, 2026, Claude Fable 5 leads ARC-AGI-1 with a score of 98.5% using either xhigh ($1.02/task) or max ($2.11/task) reasoning. With max reasoning, it also scores 89.2% on ARC-AGI-2 at $5.45 per task. ARC-AGI-3 testing is ongoing.

ARC-AGI 2 leaderboard

Claude Fable 5

Verified scores

VariantARC-AGI-1ARC-AGI-2ARC-AGI-3
Max
98.5%
89.2%
XHigh
98.5%
88.3%
High
95.5%
87.5%
Medium
92.5%
82.5%
Low
90.5%
76.8%

Tasks & environments

Pass/fail per reasoning level across each benchmark.

ARC-AGI-2 Public Eval

120 tasks
Task
Max
XHigh
High
Medium
Low

ARC-AGI-1 Public Eval

400 tasks
Task
Max
XHigh
High
Medium
Low