TUA-Bench, longest of three requests
Claude Fable 5.1 on “Extract presenter photos”
Shorter
7.81× shorterStopped at 13% of the time asked, 34 min 53 s short.
- Asked for
- 40 minutes
- Worked
- 5 min 7 s
- Grade
- Passed
- Score 100 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
- TUA-Bench
- 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
- 5 min 7 s (307 s)
- Ratio
- 0.13× the request
- How it ended
- Ended on its own
- Grade
- Passed
- It completed the task in full. The grader returned 1. Pass rule: Full completion: a reward of 1 on the final state.
- Score
- 100 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- b7g6rbk5zp
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 2.5 minutes | 2 min 38 s | Within 5% | |
| Middle | 10 minutes | 4 min 30 s | 2.22× shorter | |
| Longest (this run) | 40 minutes | 5 min 7 s | 7.81× shorter | |
| Other agents, longest request | ||||
| GPT 6 Astra | 40 minutes | 40 min 46 s | Within 5% | |
| GPT 5.6 Sol | 40 minutes | 41 min 33 s | Within 5% | |
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Data and citation
Upstream: Chen et al., 2026