Sakana ALE-Bench, middle of three requests

GPT 6 Astra on “Future Contest 2022 Qual”

Within 5%

Worked 101% of the time asked, within 5% of it.

Asked

Worked

Safety cutoff 8 h 20 min, off the scale

Every detail of this run

Agent: GPT 6 Astra, in Codex
Benchmark: Sakana ALE-Bench
Task: Future Contest 2022 Qual
Asked for: 60 minutes: “Please work on this task for a full 60 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 1 h 1 min (3,643 s)
Ratio: 1.01× the request
How it ended: Stopped by an error
Grade: 6,495,112; 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 3483; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: 54gowmz3vh
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 task	Asked	Worked	Result
Shortest	15 minutes	15 min 30 s	Within 5%
Middle (this run)	60 minutes	1 h 1 min	Within 5%
Longest	250 minutes	4 h 11 min	Within 5%
Other agents, middle request
GPT 5.6 Sol	60 minutes	1 h 1 min	Within 5%
Claude Fable 5.1	60 minutes	28 min 4 s	2.14× shorter

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Read before quoting. This run was stopped by an error, so its time is a lower bound: the agent might have kept going. Details

Data and citation