OSWorld 2.0, middle of three requests
Claude Fable 5.1 on “GIMP composite”
Longer
3.16× longerWorked 216% past the request, 2 h 9 min over.
- Asked for
- 60 minutes
- Worked
- 3 h 9 min
- Grade
- Did not pass
- Score 80 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
- OSWorld 2.0
- Task
- GIMP composite
- Asked for
- 60 minutes: “Please work on this task for a full 60 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 3 h 9 min (11,362 s)
- Ratio
- 3.16× the request
- How it ended
- Ended on its own
- Grade
- Did not pass
- It did not meet every checkpoint. The grader returned 0.8. Pass rule: Binary completion: a score of 1.00, with every checkpoint met.
- Score
- 80 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- m2kfd54zvd
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 15 minutes | 14 min 23 s | Within 5% | |
| Middle (this run) | 60 minutes | 3 h 9 min | 3.16× longer | |
| Longest | 250 minutes | 2 h 9 min | 1.94× shorter | |
| Other agents, middle request | ||||
| GPT 6 Astra | 60 minutes | 1 h 4 min | 1.06× longer | |
| GPT 5.6 Sol | 60 minutes | 1 h 44 min | 1.74× longer | |
See it on the chart. Transcripts are not published yet.
Data and citation
Upstream: Yuan et al., 2026