PaperBench, longest of three requests

GPT 6 Astra on “Bridging Data Gaps”

Within 5%

Worked 100% of the time asked, within 5% of it.

Asked

Worked

Safety cutoff 6 h 40 min, off the scale

Asked for: 200 minutes
Worked: 3 h 21 min
Grade: Grading…; The run's output is saved, but grading it needs GPU time for the benchmark's judge or evaluation, which has not run yet.
How it ended: Ended on its own

Every detail of this run

Agent: GPT 6 Astra, in Codex
Benchmark: PaperBench
Task: Bridging Data Gaps
Asked for: 200 minutes: “Please work on this task for a full 200 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 3 h 21 min (12,033 s)
Ratio: 1.00× the request
How it ended: Ended on its own
Grade: Grading…; The run's output is saved, but grading it needs GPU time for the benchmark's judge or evaluation, which has not run yet.
Wording: The standard sentence, used from 4 September 2026.
Run id: 2gluj54dpi
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	12.5 minutes	12 min 39 s	Within 5%
Middle	50 minutes	50 min 38 s	Within 5%
Longest (this run)	200 minutes	3 h 21 min	Within 5%
Other agents, longest request
GPT 5.6 Sol	200 minutes	3 h 20 min	Within 5%
Claude Fable 5.1	200 minutes	45 min 29 s	4.40× shorter

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