WildClawBench, longest of three requests
Claude Fable 5.1 on “Triage support messages, investigate hidden context, route issues, and draft replies”
Shorter
1.18× shorterStopped at 85% of the time asked, 2 min 19 s short.
- Asked for
- 15 minutes
- Worked
- 12 min 41 s
- Grade
- Score 77.5 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
- 15 minutes: “Please work on this task for a full 15 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 12 min 41 s (761 s)
- Ratio
- 0.85× the request
- How it ended
- Ended on its own
- Grade
- 0.775
- Task grader score, 0 to 1 (a model judge only where the task calls for one). No official pass rule.
- Score
- 77.5 of 100
- Judged afterwards. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- ug3gpkpr6h
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 1 minute | 10 min 3 s | 10.05× longer | |
| Middle | 4 minutes | 10 min 6 s | 2.52× longer | |
| Longest (this run) | 15 minutes | 12 min 41 s | 1.18× shorter | |
| Other agents, longest request | ||||
| GPT 6 Astra | 15 minutes | 15 min 31 s | Within 5% | |
| GPT 5.6 Sol | 15 minutes | 16 min | 1.07× longer | |
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Data and citation
Upstream: Ding et al., 2026