TUA-Bench, middle of three requests

Muse Spark 1.3 on “Extract gym auditorium”

Longer

1.70× longer

Worked 70% past the request, 3 min 31 s over.

Asked

Worked

Safety cutoff 40 min, off the scale

Asked for: 5 minutes
Worked: 8 min 31 s
Grade: Passed; Score 100 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: Extract gym auditorium
Asked for: 5 minutes: “Please work on this task for a full 5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 8 min 31 s (511 s)
Ratio: 1.70× 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. Not in the paper's scores.
Wording: The standard sentence, used from 4 September 2026.
Run id: pm3nsgxqjj
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	1.25 minutes	3 min 20 s	2.66× longer
Middle (this run)	5 minutes	8 min 31 s	1.70× longer
Longest	20 minutes	8 min 15 s	2.42× shorter
Other agents, middle request
GPT 6 Astra	5 minutes	6 min 7 s	1.22× longer
GPT 5.6 Sol	5 minutes	6 min 20 s	1.27× longer
Claude Fable 5.1	5 minutes	20 min 57 s	4.19× longer

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Data and citation