Sakana ALE-Bench, shortest of three requests

GPT 6 Astra on “AtCoder Heuristic Contest 7”

Within 5%

Within 5%

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

Asked for
10 minutes
Worked
10 min 10 s
Grade
Performance 3497
Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
10 minutes: “Please work on this task for a full 10 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
10 min 10 s (610 s)
Ratio
1.02× the request
How it ended
Ended on its own
Grade
14,242,825,868
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 3497
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
tu3yzdcacy
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)10 minutes10 min 10 sWithin 5%
Middle40 minutes40 min 31 sWithin 5%
Longest150 minutes2 h 31 minWithin 5%
Other agents, shortest request
GPT 5.6 Sol10 minutes12 min 52 s1.29× longer
Claude Fable 5.110 minutes10 min 4 sWithin 5%

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Data and citation

Upstream: Imajuku et al., 2025