TUA-Bench, longest of three requests
GPT 6 Astra on “Fix MP3 metadata”
Within 5%
Within 5%Worked 101% of the time asked, within 5% of it.
- Asked for
- 20 minutes
- Worked
- 20 min 16 s
- Grade
- Passed
- Score 100 of 100. Graded during the run.
- How it ended
- Ended on its own
Every detail of this run
- Agent
- GPT 6 Astra, in Codex
- Benchmark
- TUA-Bench
- Task
- Fix MP3 metadata
- Asked for
- 20 minutes: “Please work on this task for a full 20 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 20 min 16 s (1,216 s)
- Ratio
- 1.01× 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
- bw756wiigh
- Data release
- 26 Sep 2026
Related runs
| Astra on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 1.25 minutes | 1 min 32 s | 1.23× longer | |
| Middle | 5 minutes | 5 min 24 s | 1.08× longer | |
| Longest (this run) | 20 minutes | 20 min 16 s | Within 5% | |
| Other agents, longest request | ||||
| GPT 5.6 Sol | 20 minutes | 21 min 6 s | 1.05× longer | |
| Claude Fable 5.1 | 20 minutes | 1 min 49 s | 10.98× shorter | |
| Muse Spark 1.3 | 20 minutes | 1 min 9 s | 17.32× shorter | |
See it on the chart. Transcripts are not published yet.
Data and citation
Upstream: Chen et al., 2026