TUA-Bench, shortest of three requests

GPT 5.6 Sol on “Author homepage bookmarks”

Longer

1.49× longer

Worked 49% past the request, 1 min 13 s over.

Asked

Worked

Safety cutoff 1 h 20 min, off the scale

Every detail of this run

Agent: GPT 5.6 Sol, in Codex
Benchmark: TUA-Bench
Task: Author homepage bookmarks
Asked for: 2.5 minutes: “Please work on this task for a full 2.5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 3 min 43 s (223 s)
Ratio: 1.49× the request
How it ended: Ending not labelled yet
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: 7op3klel6e
Data release: 26 Sep 2026

The other requests for GPT 5.6 Sol on this task, and the other agents at this request
Sol on this task	Asked	Worked	Result
Shortest (this run)	2.5 minutes	3 min 43 s	1.49× longer
Middle	10 minutes	11 min 38 s	1.16× longer
Longest	40 minutes	40 min 45 s	Within 5%
Other agents, shortest request
GPT 6 Astra	2.5 minutes	2 min 49 s	1.13× longer
Claude Fable 5.1	2.5 minutes	2 min 46 s	1.11× longer
Muse Spark 1.3	2.5 minutes	3 min 18 s	1.32× longer

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Read before quoting. How this run ended has not been labelled yet. It is timed like every other run and counted in every number. Details

Data and citation