Terminal-Bench 4.0, longest of three requests

GPT 5.6 Sol on “Recalculate SA-CCR exposure, RWA, capital, and workbook evidence”

Within 5%

Within 5%

Worked 101% of the time asked, within 5% of it.

Asked for
60 minutes
Worked
1 h 1 min
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 5.6 Sol, in Codex
Asked for
60 minutes: “Please work on this task for a full 60 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
1 h 1 min (3,644 s)
Ratio
1.01× 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
t5gf5sou5a
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
Shortest4 minutes21 min 46 s5.44× longer
Middle15 minutes9 min 28 s1.58× shorter
Longest (this run)60 minutes1 h 1 minWithin 5%
Other agents, longest request
GPT 6 Astra60 minutes1 h 1 minWithin 5%
Claude Fable 5.160 minutes18 min 13 s3.29× shorter

See it on the chart. Transcripts are not published yet.

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)