TUA-Bench, shortest of three requests

GPT 6 Astra on “Name mountain photos”

Longer

1.22× longer

Worked 22% past the request, 20 s over.

Asked

Worked

Safety cutoff 50 min, off the scale

Every detail of this run

Agent: GPT 6 Astra, in Codex
Benchmark: TUA-Bench
Task: Name mountain photos
Asked for: 1.5 minutes: “Please work on this task for a full 1.5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 1 min 50 s (110 s)
Ratio: 1.22× 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: 3gjwtsjrtk
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 task	Asked	Worked	Result
Shortest (this run)	1.5 minutes	1 min 50 s	1.22× longer
Middle	6 minutes	6 min 36 s	1.10× longer
Longest	25 minutes	25 min 31 s	Within 5%
Other agents, shortest request
GPT 5.6 Sol	1.5 minutes	2 min 10 s	1.45× longer
Claude Fable 5.1	1.5 minutes	1 min 20 s	1.13× shorter

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Data and citation