CORE-Bench v1.1, shortest of three requests

GPT 6 Astra on “Reproduce journal and university ranking figures”

Within 5%

Within 5%

Worked 105% of the time asked, within 5% of it.

Asked for
6 minutes
Worked
6 min 16 s
Grade
Passed
Score 100 of 100. Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
6 minutes: “Please work on this task for a full 6 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
6 min 16 s (376 s)
Ratio
1.04× the request
How it ended
Ended on its own
Grade
Passed
It got every answer right. The grader returned 1. Pass rule: Every answer correct, with numbers inside a 95% prediction interval.
Score
100 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
3u6igjgxzr
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 taskAskedWorkedSplitResult
Shortest (this run)6 minutes6 min 16 sWithin 5%
Middle25 minutes25 min 36 sWithin 5%
Longest100 minutes1 h 41 minWithin 5%
Other agents, shortest request
GPT 5.6 Sol6 minutes15 min 43 s2.62× longer
Claude Fable 5.16 minutes9 min 42 s1.62× longer

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Data and citation

Upstream: Nadgir et al., 2026