Sakana ALE-Bench, shortest of three requests

GPT 6 Astra on “AtCoder Heuristic Contest 8”

Within 5%

Within 5%

Worked 102% of the time asked, within 5% of it.

Asked for
15 minutes
Worked
15 min 14 s
Grade
Performance 1630
Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
15 minutes: “Please work on this task for a full 15 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
15 min 14 s (914 s)
Ratio
1.02× the request
How it ended
Ended on its own
Grade
60,200,532,312
Raw score on the private test cases, in each problem's own units; also reports rank against human contest entrants. No official pass rule.
Score
Performance 1630
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
pqakhpd2j6
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)15 minutes15 min 14 sWithin 5%
Middle60 minutes1 h 1 minWithin 5%
Longest250 minutes4 h 11 minWithin 5%
Other agents, shortest request
GPT 5.6 Sol15 minutes15 min 45 sWithin 5%
Claude Fable 5.115 minutes7 min 30 s2.00× shorter

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Data and citation

Upstream: Imajuku et al., 2025