WildClawBench, longest of three requests

Claude Fable 5.1 on “Cut all three first-half Ferran Torres goals into a sub-30-second reel”

Within 5%

Within 5%

Worked 96% of the time asked, within 5% of it.

Asked for
40 minutes
Worked
38 min 22 s
Grade
Score 30 of 100
Judged afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
Claude Fable 5.1, in Claude Code
Benchmark
WildClawBench
Asked for
40 minutes: “Please work on this task for a full 40 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
38 min 22 s (2,302 s)
Ratio
0.96× the request
How it ended
Ended on its own
Grade
0.3
Task grader score, 0 to 1 (a model judge only where the task calls for one). No official pass rule.
Score
30 of 100
Judged afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
p3r4ca75qm
Data release
26 Sep 2026
The other requests for Claude Fable 5.1 on this task, and the other agents at this request
Fable on this taskAskedWorkedSplitResult
Shortest2.5 minutes20 min 12 s8.08× longer
Middle10 minutes34 min 2 s3.40× longer
Longest (this run)40 minutes38 min 22 sWithin 5%
Other agents, longest request
GPT 6 Astra40 minutes40 min 24 sWithin 5%
GPT 5.6 Sol40 minutes40 min 52 sWithin 5%

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Data and citation

Upstream: Ding et al., 2026