GPQA Diamond, longest of three requests

Muse Spark 1.3 on “GPQA Diamond closed-book question 4 (Chemistry)”

Shorter

5.97× shorter

Stopped at 17% of the time asked, 16 min 39 s short.

Asked

Worked

Safety cutoff 40 min, off the scale

Asked for: 20 minutes
Worked: 3 min 21 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: GPQA Diamond
Task: GPQA Diamond closed-book question 4 (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: 3 min 21 s (201 s)
Ratio: 0.17× the request
How it ended: Ended on its own
Grade: Passed; It picked the correct letter. The grader returned 1. Pass rule: The answer letter matches the key.
Score: 100 of 100; Graded during the run. Not in the paper's scores.
Clock tool: The agent could call a clock tool to check the requested time.
Wording: The standard sentence, used from 4 September 2026.
Run id: gxrfzyxa2u
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 14 s	1.79× longer
Middle	5 minutes	7 min 21 s	1.47× longer
Longest (this run)	20 minutes	3 min 21 s	5.97× shorter
Other agents, longest request
GPT 6 Astra	20 minutes	20 min 12 s	Within 5%
GPT 5.6 Sol	20 minutes	20 min 26 s	Within 5%
Claude Fable 5.1	20 minutes	5 min 22 s	3.73× shorter

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

Data and citation