Sakana ALE-Bench, shortest of three requests

GPT 5.6 Sol on “AtCoder Heuristic Contest 8”

Within 5%

Within 5%

Worked 105% of the time asked, within 5% of it.

Asked for
15 minutes
Worked
15 min 45 s
Grade
Performance 1440
Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, 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 45 s (945 s)
Ratio
1.05× the request
How it ended
Ended on its own
Grade
21,921,005,807
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 1440
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
efszb7i32z
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
Shortest (this run)15 minutes15 min 45 sWithin 5%
Middle60 minutes1 h 1 minWithin 5%
Longest250 minutes4 h 11 minWithin 5%
Other agents, shortest request
GPT 6 Astra15 minutes15 min 14 sWithin 5%
Claude Fable 5.115 minutes7 min 30 s2.00× shorter

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Data and citation

Upstream: Imajuku et al., 2025