TUA-Bench, shortest of three requests

GPT 6 Astra on “Fix MP3 metadata”

Longer

1.23× longer

Worked 23% past the request, 17 s over.

Asked for
1.25 minutes
Worked
1 min 32 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
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
1 min 32 s (92 s)
Ratio
1.23× 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
vgczqyku6a
Data release
26 Sep 2026
The other requests for GPT 6 Astra on this task, and the other agents at this request
Astra on this taskAskedWorkedSplitResult
Shortest (this run)1.25 minutes1 min 32 s1.23× longer
Middle5 minutes5 min 24 s1.08× longer
Longest20 minutes20 min 16 sWithin 5%
Other agents, shortest request
GPT 5.6 Sol1.25 minutes1 min 57 s1.55× longer
Claude Fable 5.11.25 minutes45 s1.68× shorter

See it on the chart. Transcripts are not published yet.

Data and citation

Upstream: Chen et al., 2026