Agents' Last Exam, shortest of three requests

GPT 6 Astra on “Find near-best-known routes for three CVRP instances”

Longer

1.18× longer

Worked 18% past the request, 43 s over.

Asked for
4 minutes
Worked
4 min 43 s
Grade
Passed
Score 100 of 100. Graded afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
4 minutes: “Please work on this task for a full 4 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
4 min 43 s (283 s)
Ratio
1.18× the request
How it ended
Ended on its own
Grade
Passed
It passed the task's checker in full. The grader returned 1. Pass rule: Full pass: a checker score of 1.
Score
100 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
tbondfdc66
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
Shortest (this run)4 minutes4 min 43 s1.18× longer
Middle15 minutes15 min 18 sWithin 5%
Longest60 minutes1 h 2 minWithin 5%
Other agents, shortest request
GPT 5.6 Sol4 minutes11 min 34 s2.89× longer
Claude Fable 5.14 minutes5 min 21 s1.34× longer

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Data and citation

Upstream: Sun et al., 2026