CORE-Bench v1.1, shortest of three requests

GPT 6 Astra on “Run and render CNN short-term temperature forecasting results”

Longer

1.07× longer

Worked 7% past the request, 17 s over.

Asked

Worked

Safety cutoff 2 h, off the scale

Every detail of this run

Agent: GPT 6 Astra, in Codex
Benchmark: CORE-Bench v1.1
Task: Run and render CNN short-term temperature forecasting results
Asked for: 4 minutes: “Please work on this task for a full 4 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked: 4 min 17 s (257 s)
Ratio: 1.07× the request
How it ended: Ended on its own
Grade: Did not pass; It did not get every answer right. The grader returned 0. Pass rule: Every answer correct, with numbers inside a 95% prediction interval.
Score: 0 of 100; Graded during the run. The paper's value.
Wording: The standard sentence, used from 4 September 2026.
Run id: 4pgmkd5rg6
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)	4 minutes	4 min 17 s	1.07× longer
Middle	15 minutes	15 min 21 s	Within 5%
Longest	60 minutes	1 h 1 min	Within 5%
Other agents, shortest request
GPT 5.6 Sol	4 minutes	4 min 54 s	1.23× longer
Claude Fable 5.1	4 minutes	12 min 47 s	3.20× longer

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