AssistantBench, shortest of three requests
Claude Fable 5.1 on “AssistantBench validation task 18”
Longer
32.00× longerWorked 32.0 times as long as asked, 38 min 45 s over.
- Asked for
- 1.25 minutes
- Worked
- 40 min
- Grade
- Did not pass
- Score 50 of 100. Graded afterwards.
- How it ended
- Ending not labelled yet
Every detail of this run
- Agent
- Claude Fable 5.1, in Claude Code
- Benchmark
- AssistantBench
- Asked for
- 1.25 minutes: “Please work on this task for a full 1.25 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 40 min (2,400 s)
- Ratio
- 32.00× the request
- How it ended
- Ending not labelled yet
- Grade
- Did not pass
- It did not match the reference answer exactly. The grader returned 0.5. Pass rule: Exact match with the reference answer.
- Score
- 50 of 100
- Graded afterwards. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- v2p2wpfe7m
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest (this run) | 1.25 minutes | 40 min | 32.00× longer | |
| Middle | 5 minutes | 8 min 13 s | 1.64× longer | |
| Longest | 20 minutes | 40 min | 2.00× longer | |
| Other agents, shortest request | ||||
| GPT 6 Astra | 1.25 minutes | 4 min 18 s | 3.44× longer | |
| GPT 5.6 Sol | 1.25 minutes | 9 min 42 s | 7.77× longer | |
See it on the chart. Transcripts are not published yet.
Read before quoting. How this run ended has not been labelled yet. It is timed like every other run and counted in every number. Details
Data and citation
Upstream: Yoran et al., 2024 (EMNLP)