Leaderboard / Model
Claude Fable 5
Anthropic · Closed weights · Released Jun 9, 2026 · $10 in · $50 out per 1M tokens
79Overall · rank 4
Score by job
Coding
92 · rank 2 · 3 of 5 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| DeepSWE | 69.9% | claude-fable-5_xhigh | 0.82 |
| FrontierCode | 53.5% | claude-fable-5_unknown | 1.45 |
| LMArena Coding | 1520 rating | claude-fable-5 | 1.40 |
Agents
85 · rank 4 · 2 of 4 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| APEX-Agents | 63.6% | claude-fable-5 | 1.07 |
| Remote Labor Index | 16.1% | claude-fable-5 | 1.12 |
Reasoning
54 · rank 16 · 3 of 4 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| GPQA Diamond | 85.9% | claude-fable-5_max | -2.30 |
| ARC-AGI-2 | 89.2% | claude-fable-5_max | 1.16 |
| SimpleBench | 81.9% | claude-fable-5_max | 1.65 |
Math
93 · rank 3 · 5 of 5 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| FrontierMath Tiers 1–3 | 87.0% | claude-fable-5_max | 1.31 |
| FrontierMath Tier 4 | 90.2% | claude-fable-5_max | 2.06 |
| OTIS Mock AIME | 100.0% | claude-fable-5_high | 1.09 |
| ProofBench | 95.0% | claude-fable-5_max | 1.86 |
| LMArena Math | 1522 rating | claude-fable-5 | 1.55 |
Writing
91 · rank 4 · 2 of 2 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| LMArena Creative Writing | 1496 rating | claude-fable-5 | 1.36 |
| LMArena Instruction Following | 1505 rating | claude-fable-5 | 1.50 |
Design
57 · rank 10 · 1 of 1 benchmarks
| Benchmark | Result | Variant | z |
|---|---|---|---|
| LMArena WebDev | 1627 rating | claude-fable-5-high | 0.68 |