CORE-Bench v1.1, middle of three requests

GPT 5.6 Sol on “Reproduce a 20 mm transducer-array characterization”

Within 5%

Within 5%

Worked 104% of the time asked, within 5% of it.

Asked for
15 minutes
Worked
15 min 34 s
Grade
Did not pass
Score 0 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
Asked for
15 minutes: “Please work on this task for a full 15 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
15 min 34 s (934 s)
Ratio
1.04× the request
How it ended
Ended on its own
Grade
Did not pass
It did not get every answer right. The grader returned 0. Pass rule: Every answer correct, with numbers inside a 95% prediction interval.
Score
0 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
stoobbitw7
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
Shortest4 minutes4 min 28 s1.11× longer
Middle (this run)15 minutes15 min 34 sWithin 5%
Longest60 minutes1 h 2 minWithin 5%
Other agents, middle request
GPT 6 Astra15 minutes15 min 37 sWithin 5%
Claude Fable 5.115 minutes7 min 17 s2.06× shorter

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Data and citation

Upstream: Nadgir et al., 2026