Agents' Last Exam, longest of three requests

GPT 6 Astra on “Redesign and validate a Flowable supply-disruption workflow”

Within 5%

Within 5%

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

Asked for
125 minutes
Worked
2 h 7 min
Grade
Did not pass
Score 85.4 of 100. Graded afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
125 minutes: “Please work on this task for a full 125 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
2 h 7 min (7,609 s)
Ratio
1.01× the request
How it ended
Ended on its own
Grade
Did not pass
It did not pass the task's checker in full. The grader returned 0.854. Pass rule: Full pass: a checker score of 1.
Score
85.4 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
dxx5xwfv4s
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 minutes8 min 47 s1.10× longer
Middle30 minutes30 min 21 sWithin 5%
Longest (this run)125 minutes2 h 7 minWithin 5%
Other agents, longest request
GPT 5.6 Sol125 minutes2 h 6 minWithin 5%
Claude Fable 5.1125 minutes1 h 7 min1.87× shorter

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Data and citation

Upstream: Sun et al., 2026