GPQA Diamond, longest of three requests

GPT 5.6 Sol on “GPQA Diamond closed-book question 12 (Chemistry)”

Within 5%

Within 5%

Worked 101% of the time asked, within 5% of it.

Asked for
20 minutes
Worked
20 min 14 s
Grade
Passed
Score 100 of 100. Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, in Codex
Benchmark
GPQA Diamond
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
20 min 14 s (1,214 s)
Ratio
1.01× 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. The paper's value.
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
qp52ttscdj
Data release
26 Sep 2026
The other requests for GPT 5.6 Sol on this task, and the other agents at this request
Sol on this taskAskedWorkedSplitResult
Shortest1.25 minutes1 min 58 s1.57× longer
Middle5 minutes5 min 12 sWithin 5%
Longest (this run)20 minutes20 min 14 sWithin 5%
Other agents, longest request
GPT 6 Astra20 minutes20 min 9 sWithin 5%
Claude Fable 5.120 minutes1 min 42 s11.79× shorter
Muse Spark 1.320 minutes1 min 57 s10.29× shorter

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Data and citation

Upstream: Rein et al., 2024 (COLM)