WildClawBench, longest of three requests

Claude Fable 5.1 on “Geolocate a street image and return country, city, and coordinates”

Longer

1.53× longer

Worked 53% past the request, 10 min 36 s over.

Asked for
20 minutes
Worked
30 min 36 s
Grade
Score 0 of 100
Nothing to grade, counted as 0.
How it ended
Ended on its own
Every detail of this run
Agent
Claude Fable 5.1, in Claude Code
Benchmark
WildClawBench
Asked for
20 minutes: “Please work on this task for a full 20 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
30 min 36 s (1,836 s)
Ratio
1.53× the request
How it ended
Ended on its own
Grade
0
Task grader score, 0 to 1 (a model judge only where the task calls for one). No official pass rule.
Score
0 of 100
Nothing to grade, counted as 0. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
unjq67wovf
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
Shortest1.25 minutes40 min 1 s32.02× longer
Middle5 minutes35 min 31 s7.10× longer
Longest (this run)20 minutes30 min 36 s1.53× longer
Other agents, longest request
GPT 6 Astra20 minutes40 min 1 s2.00× longer
GPT 5.6 Sol20 minutes40 min 1 s2.00× longer

See it on the chart. Transcripts are not published yet.

Data and citation

Upstream: Ding et al., 2026