Terminal-Bench 4.0, shortest of three requests

GPT 5.6 Sol on “Reconstruct a 3D corner tie from a 2D schematic”

Longer

2.00× longer

Worked 100% past the request, 5 min 2 s over.

Asked for
5 minutes
Worked
10 min 2 s
Grade
Did not pass
Score 0 of 100. Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, in Codex
Asked for
5 minutes: “Please work on this task for a full 5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
10 min 2 s (602 s)
Ratio
2.00× the request
How it ended
Ended on its own
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
amz3wuhgdm
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 taskAskedWorkedSplitResult
Shortest (this run)5 minutes10 min 2 s2.00× longer
Middle20 minutes20 min 18 sWithin 5%
Longest80 minutes1 h 21 minWithin 5%
Other agents, shortest request
GPT 6 Astra5 minutes5 min 11 sWithin 5%
Claude Fable 5.15 minutes13 min 27 s2.69× longer

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Data and citation

Upstream: Merrill et al., 2026 (ICLR)