TUA-Bench, shortest of three requests

Muse Spark 1.3 on “APA references review”

Shorter

1.16× shorter

Stopped at 86% of the time asked, 21 s short.

Asked

Worked

Safety cutoff 1 h 20 min, off the scale

Asked for: 2.5 minutes
Worked: 2 min 9 s
Grade: Did not pass; Score 71.3 of 100. Graded during the run. Not in the paper's scores.
How it ended: Ended on its own

Every detail of this run

Agent: Muse Spark 1.3, in Muse Code
Benchmark: TUA-Bench
Task: APA references review
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: 2 min 9 s (129 s)
Ratio: 0.86× the request
How it ended: Ended on its own
Grade: Did not pass; It did not complete the task in full. The grader returned 0.713. Pass rule: Full completion: a reward of 1 on the final state.
Score: 71.3 of 100; Graded during the run. Not in the paper's scores.
Wording: The standard sentence, used from 4 September 2026.
Run id: aslhpskkun
Data release: 26 Sep 2026

The other requests for Muse Spark 1.3 on this task, and the other agents at this request
Muse on this task	Asked	Worked	Result
Shortest (this run)	2.5 minutes	2 min 9 s	1.16× shorter
Middle	10 minutes	11 min 8 s	1.11× longer
Longest	40 minutes	2 min 51 s	14.02× shorter
Other agents, shortest request
GPT 6 Astra	2.5 minutes	2 min 45 s	1.10× longer
GPT 5.6 Sol	2.5 minutes	3 min 37 s	1.45× longer
Claude Fable 5.1	2.5 minutes	9 min 20 s	3.73× longer

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Data and citation