OSWorld 2.0, longest of three requests

GPT 5.6 Sol on “GIMP composite”

Shorter

10.60× shorter

Stopped at 9% of the time asked, 3 h 46 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: GIMP composite
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: 23 min 35 s (1,415 s)
Ratio: 0.09× the request
How it ended: Ended on its own
Grade: Did not pass; It did not meet every checkpoint. The grader returned 0.8. Pass rule: Binary completion: a score of 1.00, with every checkpoint met.
Score: 80 of 100; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: 3zz54jdysk
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 20 min	5.33× longer
Middle	60 minutes	1 h 44 min	1.74× longer
Longest (this run)	250 minutes	23 min 35 s	10.60× shorter
Other agents, longest request
GPT 6 Astra	250 minutes	4 h 11 min	Within 5%
Claude Fable 5.1	250 minutes	2 h 9 min	1.94× shorter

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