Agents' Last Exam, longest of three requests
Claude Fable 5.1 on “Complete an end-to-end Odoo supply-chain workflow”
Shorter
1.11× shorterStopped at 90% of the time asked, 8 min 5 s short.
- Asked for
- 80 minutes
- Worked
- 1 h 12 min
- Grade
- Did not pass
- Score 88 of 100. Graded during the run.
- How it ended
- Ended on its own
Every detail of this run
- Agent
- Claude Fable 5.1, in Claude Code
- Benchmark
- Agents' Last Exam
- Asked for
- 80 minutes: “Please work on this task for a full 80 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 1 h 12 min (4,315 s)
- Ratio
- 0.90× the request
- How it ended
- Ended on its own
- Grade
- Did not pass
- It did not pass the task's checker in full. The grader returned 0.88. Pass rule: Full pass: a checker score of 1.
- Score
- 88 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- wqm4hxktmc
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 5 minutes | 1 h 25 min | 17.01× longer | |
| Middle | 20 minutes | 26 min 5 s | 1.30× longer | |
| Longest (this run) | 80 minutes | 1 h 12 min | 1.11× shorter | |
| Other agents, longest request | ||||
| GPT 6 Astra | 80 minutes | 1 h 21 min | Within 5% | |
| GPT 5.6 Sol | 80 minutes | 2 h 50 min | 2.13× longer | |
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Data and citation
Upstream: Sun et al., 2026