Sakana ALE-Bench, shortest of three requests

GPT 5.6 Sol on “AtCoder Heuristic Contest 11”

Within 5%

Within 5%

Worked 103% of the time asked, within 5% of it.

Asked for
12.5 minutes
Worked
12 min 52 s
Grade
Performance 1950
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
12.5 minutes: “Please work on this task for a full 12.5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
12 min 52 s (772 s)
Ratio
1.03× the request
How it ended
Ended on its own
Grade
2,076,137,613
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 1950
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
unliini4v7
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)12.5 minutes12 min 52 sWithin 5%
Middle50 minutes50 min 27 sWithin 5%
Longest200 minutes3 h 21 minWithin 5%
Other agents, shortest request
GPT 6 Astra12.5 minutes12 min 45 sWithin 5%
Claude Fable 5.112.5 minutes12 min 20 sWithin 5%

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Data and citation

Upstream: Imajuku et al., 2025