TUA-Bench, longest of three requests

Muse Spark 1.3 on “Fix MP3 metadata”

Shorter

17.32× shorter

Stopped at 6% of the time asked, 18 min 51 s short.

Asked for
20 minutes
Worked
1 min 9 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
Asked for
20 minutes: “Please work on this task for a full 20 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
1 min 9 s (69 s)
Ratio
0.06× 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
exaauml3vp
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 taskAskedWorkedSplitResult
Shortest1.25 minutesno run
Middle5 minutes5 min 48 s1.16× longer
Longest (this run)20 minutes1 min 9 s17.32× shorter
Other agents, longest request
GPT 6 Astra20 minutes20 min 16 sWithin 5%
GPT 5.6 Sol20 minutes21 min 6 s1.05× longer
Claude Fable 5.120 minutes1 min 49 s10.98× shorter

See it on the chart. Transcripts are not published yet.

Data and citation

Upstream: Chen et al., 2026