OSWorld 2.0, longest of three requests

GPT 5.6 Sol on “Defense schedule”

Shorter

12.48× shorter

Stopped at 8% of the time asked, 3 h 50 min short.

Asked

Worked

Safety cutoff 8 h 20 min, off the scale

Every detail of this run

Agent: GPT 5.6 Sol, in Codex
Benchmark: OSWorld 2.0
Task: Defense schedule
Asked for: 250 minutes: “Please work on this task for a full 250 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 20 min 2 s (1,202 s)
Ratio: 0.08× the request
How it ended: Ended on its own
Grade: Passed; It met every checkpoint. The grader returned 1.0. Pass rule: Binary completion: a score of 1.00, with every checkpoint met.
Score: 100 of 100; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: cv2p4ffypg
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 task	Asked	Worked	Result
Shortest	15 minutes	1 h 2 min	4.14× longer
Middle	60 minutes	1 h 13 min	1.22× longer
Longest (this run)	250 minutes	20 min 2 s	12.48× shorter
Other agents, longest request
GPT 6 Astra	250 minutes	4 h 12 min	Within 5%
Claude Fable 5.1	250 minutes	54 min 46 s	4.57× shorter

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