GPQA Diamond, longest of three requests

Muse Spark 1.3 on “GPQA Diamond closed-book question 8 (Chemistry)”

Shorter

7.75× shorter

Stopped at 13% of the time asked, 17 min 25 s short.

Asked

Worked

Safety cutoff 40 min, off the scale

Asked for: 20 minutes
Worked: 2 min 35 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 8 (Chemistry)
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: 2 min 35 s (155 s)
Ratio: 0.13× 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: gf7llzz3k6
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	2 min 11 s	1.74× longer
Middle	5 minutes	2 min 2 s	2.46× shorter
Longest (this run)	20 minutes	2 min 35 s	7.75× shorter
Other agents, longest request
GPT 6 Astra	20 minutes	20 min 9 s	Within 5%
GPT 5.6 Sol	20 minutes	20 min 21 s	Within 5%
Claude Fable 5.1	20 minutes	1 min 52 s	10.68× 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