Agents' Last Exam, middle of three requests

GPT 5.6 Sol on “Remediate MARC records and prepare a FOLIO overlay”

Within 5%

Within 5%

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

Asked for
20 minutes
Worked
20 min 45 s
Grade
Did not pass
Score 20 of 100. Graded afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, in Codex
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 45 s (1,245 s)
Ratio
1.04× 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 0.2. Pass rule: Full pass: a checker score of 1.
Score
20 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
lsqj57x4m7
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
Shortest5 minutes24 min 38 s4.93× longer
Middle (this run)20 minutes20 min 45 sWithin 5%
Longest80 minutes1 h 20 minWithin 5%
Other agents, middle request
GPT 6 Astra20 minutes20 min 19 sWithin 5%
Claude Fable 5.120 minutes22 min 30 s1.13× longer

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Data and citation

Upstream: Sun et al., 2026