AnthropicΒ·Sep 1, 2026Β·5 reasoning variants
At max effort, Claude Fable 5.1 scores 97.5% on ARC-AGI-1 Semi-Private at $1.40 per task and 90.0% on ARC-AGI-2 Semi-Private at $4.49 per task.
ARC-AGI 2 leaderboard #
Claude Fable 5.1
Verified scores #
| Variant | ARC-AGI-1 | ARC-AGI-2 | ARC-AGI-3 |
|---|---|---|---|
| Max | 97.5% | 90.0% | β | | XHigh | 96.5% | 90.0% | β | | High | 96.0% | 88.8% | β | | Medium | 94.5% | 86.3% | β | | Low | 90.0% | 78.3% | β |
Tasks & environments #
Pass/fail per reasoning level across each benchmark.
ARC-AGI-2 Public Eval
120 tasks| Task | Max | XHigh | High | Medium | Low | |---|---|---|---|---|---| | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β | | | β | β | β | β | β |
ARC-AGI-1 Public Eval
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