OSWorld 2.0, shortest of three requests

GPT 6 Astra on “Reimbursement package”

Longer

1.06× longer

Worked 6% past the request, 54 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: Reimbursement package
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 54 s (954 s)
Ratio: 1.06× the request
How it ended: Ended on its own
Grade: Did not pass; It did not meet every checkpoint. The grader returned 0. Pass rule: Binary completion: a score of 1.00, with every checkpoint met.
Score: 0 of 100; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: mbppzfvo7c
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	15 min 54 s	1.06× longer
Middle	60 minutes	1 h 1 min	Within 5%
Longest	250 minutes	4 h 11 min	Within 5%
Other agents, shortest request
GPT 5.6 Sol	15 minutes	30 min 3 s	2.00× longer
Claude Fable 5.1	15 minutes	13 min 36 s	1.10× shorter

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Data and citation