Agents' Last Exam, middle of three requests

GPT 5.6 Sol on “Audit four Chinese M&A filings for inconsistencies”

Within 5%

Within 5%

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

Asked for
40 minutes
Worked
40 min 19 s
Grade
Did not pass
Score 0 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
40 minutes: “Please work on this task for a full 40 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
40 min 19 s (2,419 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. Pass rule: Full pass: a checker score of 1.
Score
0 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
yvkptfs6f7
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
Shortest10 minutes10 min 27 sWithin 5%
Middle (this run)40 minutes40 min 19 sWithin 5%
Longest150 minutes8 min 18 s18.09× shorter
Other agents, middle request
GPT 6 Astra40 minutes40 min 27 sWithin 5%
Claude Fable 5.140 minutes22 min 13 s1.80× shorter

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Data and citation

Upstream: Sun et al., 2026