GPQA Diamond, middle of three requests

Muse Spark 1.3 on “GPQA Diamond closed-book question 15 (Physics)”

Shorter

5.58× shorter

Stopped at 18% of the time asked, 4 min 6 s short.

Asked

Worked

Safety cutoff 40 min, off the scale

Asked for: 5 minutes
Worked: 54 s
Grade: No grade recorded; This run is outside the paper's scores, and the campaign recorded no grade for it. Not in the paper's scores.
How it ended: Ending not labelled yet

Every detail of this run

Agent: Muse Spark 1.3, in Muse Code
Benchmark: GPQA Diamond
Task: GPQA Diamond closed-book question 15 (Physics)
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: 54 s (54 s)
Ratio: 0.18× the request
How it ended: Ending not labelled yet
Grade: No grade recorded; This run is outside the paper's scores, and the campaign recorded no grade for it.
Wording: The standard sentence, used from 4 September 2026.
Run id: pzrrximwo4
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	1 min 8 s	1.11× shorter
Middle (this run)	5 minutes	54 s	5.58× shorter
Longest	20 minutes	23 s	52.40× shorter
Other agents, middle request
GPT 6 Astra	5 minutes	5 min 9 s	Within 5%
GPT 5.6 Sol	5 minutes	5 min 25 s	1.08× longer
Claude Fable 5.1	5 minutes	51 s	5.93× shorter

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

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