TUA-Bench, shortest of three requests

Muse Spark 1.3 on “Extract gym auditorium”

Longer

2.66× longer

Worked 166% past the request, 2 min 5 s over.

Asked

Worked

Safety cutoff 40 min, off the scale

Asked for: 1.25 minutes
Worked: 3 min 20 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: 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: 3 min 20 s (200 s)
Ratio: 2.66× 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: nbn4bxp3sb
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)	1.25 minutes	3 min 20 s	2.66× longer
Middle	5 minutes	8 min 31 s	1.70× longer
Longest	20 minutes	8 min 15 s	2.42× shorter
Other agents, shortest request
GPT 6 Astra	1.25 minutes	1 min 37 s	1.29× longer
GPT 5.6 Sol	1.25 minutes	7 min 6 s	5.68× longer
Claude Fable 5.1	1.25 minutes	21 min 32 s	17.23× longer

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