ProgramBench, longest of three requests
GPT 5.6 Sol on “lfos/calcurse”
Shorter
28.79× shorterStopped at 3% of the time asked, 6 h 26 min short.
- Asked for
- 400 minutes
- Worked
- 13 min 54 s
- Grade
- Did not pass
- Score 0 of 100. Graded afterwards.
- How it ended
- Ended on its own
Every detail of this run
- Agent
- GPT 5.6 Sol, in Codex
- Benchmark
- ProgramBench
- Task
- lfos/calcurse
- Asked for
- 400 minutes: “Please work on this task for a full 400 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 13 min 54 s (834 s)
- Ratio
- 0.03× the request
- How it ended
- Ended on its own
- Grade
- Did not pass
- It did not pass every hidden test. The grader returned 0. Pass rule: Resolved: every hidden test passes.
- Score
- 0 of 100
- Graded afterwards. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- yjoddkuui2
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 25 minutes | 23 min 42 s | 1.05× shorter | |
| Middle | 100 minutes | 1 h 41 min | Within 5% | |
| Longest (this run) | 400 minutes | 13 min 54 s | 28.79× shorter | |
| Other agents, longest request | ||||
| GPT 6 Astra | 400 minutes | 6 h 41 min | Within 5% | |
| Claude Fable 5.1 | 400 minutes | 5 h 23 min | 1.24× shorter | |
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Data and citation
Upstream: Yang et al., 2026