Terminal-Bench 4.0, shortest of three requests

GPT 6 Astra on “Repair batched LLM evaluation so it matches single-example semantics”

Within 5%

Within 5%

Worked 102% of the time asked, within 5% of it.

Asked for
8 minutes
Worked
8 min 11 s
Grade
Did not pass
Score 0 of 100. Graded during the run.
How it ended
Ending not labelled yet
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
8 minutes: “Please work on this task for a full 8 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
8 min 11 s (491 s)
Ratio
1.02× the request
How it ended
Ending not labelled yet
Grade
Did not pass
It did not pass the task's tests. The grader returned 0. Pass rule: The task's tests pass.
Score
0 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
wjbkx3v7pu
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)8 minutes8 min 11 sWithin 5%
Middle30 minutes30 min 37 sWithin 5%
Longest125 minutes2 h 5 minWithin 5%
Other agents, shortest request
GPT 5.6 Sol8 minutes32 min 41 s4.08× longer
Claude Fable 5.18 minutes16 min 30 s2.06× longer

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Read before quoting. How this run ended has not been labelled yet. It is timed like every other run and counted in every number. Details

Data and citation

Upstream: Merrill et al., 2026 (ICLR)