CORE-Bench v1.1, middle of three requests

GPT 6 Astra on “Execute the fibrous-media notebook and reproduce its pore-size result”

Within 5%

Within 5%

Worked 103% of the time asked, within 5% of it.

Asked for
30 minutes
Worked
30 min 47 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 6 Astra, in Codex
Asked for
30 minutes: “Please work on this task for a full 30 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
30 min 47 s (1,847 s)
Ratio
1.03× 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
54mzpkb6zw
Data release
26 Sep 2026
The other requests for GPT 6 Astra on this task, and the other agents at this request
Astra on this taskAskedWorkedSplitResult
Shortest8 minutes9 min 5 s1.14× longer
Middle (this run)30 minutes30 min 47 sWithin 5%
Longest125 minutes2 h 6 minWithin 5%
Other agents, middle request
GPT 5.6 Sol30 minutes30 min 31 sWithin 5%
Claude Fable 5.130 minutes11 min 30 s2.61× shorter

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Data and citation

Upstream: Nadgir et al., 2026