TUA-Bench, middle of three requests
GPT 5.6 Sol on “Optimize cold plate”
Within 5%
Within 5%Worked 104% of the time asked, within 5% of it.
- Asked for
- 25 minutes
- Worked
- 25 min 59 s
- Grade
- Did not pass
- Score 33 of 100. Graded during the run.
- How it ended
- Ended on its own
Every detail of this run
- Agent
- GPT 5.6 Sol, in Codex
- Benchmark
- TUA-Bench
- Asked for
- 25 minutes: “Please work on this task for a full 25 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 25 min 59 s (1,559 s)
- Ratio
- 1.04× the request
- How it ended
- Ended on its own
- Grade
- Did not pass
- It did not complete the task in full. The grader returned 0.33. Pass rule: Full completion: a reward of 1 on the final state.
- Score
- 33 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- pvpxuyao3l
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 6 minutes | 9 min 55 s | 1.65× longer | |
| Middle (this run) | 25 minutes | 25 min 59 s | Within 5% | |
| Longest | 100 minutes | 1 h 41 min | Within 5% | |
| Other agents, middle request | ||||
| GPT 6 Astra | 25 minutes | 25 min 33 s | Within 5% | |
| Claude Fable 5.1 | 25 minutes | 28 min 9 s | 1.13× longer | |
| Muse Spark 1.3 | 25 minutes | 15 min 57 s | 1.57× shorter | |
See it on the chart. Transcripts are not published yet.
Data and citation
Upstream: Chen et al., 2026