Fable 5.1
Anthropic · effort high · config fable-5-1-high
- Overall
- 95
- Strict
- 68%
- $0.83 per solved task
- Human rank
- 49%
- Gate pass
- 98%
- Cost / task
- $0.58
- Time / task
- 1m 55s
Quality
Cost and time
Easy tasks
100
100
100
100
100
100
100
100
100
100
100
90
100
100
100
100
100
100
100
100
Medium tasks
30
67
97
100
75
75
100
96
88
100
Hard tasks
100
100
100
100
100
100
95
100
100
96
100
100
100
78
92
100
100
95
100
100
100
100
89
100
98
Failures
- Clamshell cover: 2 of 2 attempts failed a gate, 1 hit the output limit
- Mesh rebuild blender handle: 2 of 3 attempts failed a gate
- Vendored nema17 mount: 1 of 2 attempts failed a gate
Run baseline-2026-092026-09-10commit 41aec7daspend $339.70 + $48.02 AI judging, 7 unpricedOther runs: 2026-09-04T20-02-10-stage2-hard-cases, 2026-09-04T19-48-31-screen-14-fixed