OSWorld 2.0, shortest of three requests

GPT 6 Astra on “FreeCAD bracket”

Longer

1.31× longer

Worked 31% past the request, 4 min 38 s over.

Asked

Worked

Safety cutoff 8 h 20 min, off the scale

Every detail of this run

Agent: GPT 6 Astra, in Codex
Benchmark: OSWorld 2.0
Task: FreeCAD bracket
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: 19 min 38 s (1,178 s)
Ratio: 1.31× the request
How it ended: Ended on its own
Grade: Did not pass; It did not meet every checkpoint. The grader returned 0.983. Pass rule: Binary completion: a score of 1.00, with every checkpoint met.
Score: 98.3 of 100; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: nzmba3wikj
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 (this run)	15 minutes	19 min 38 s	1.31× longer
Middle	60 minutes	1 h 2 min	Within 5%
Longest	250 minutes	4 h 11 min	Within 5%
Other agents, shortest request
GPT 5.6 Sol	15 minutes	16 min 23 s	1.09× longer
Claude Fable 5.1	15 minutes	12 min 52 s	1.17× shorter

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