Terminal-Bench 4.0, longest of three requests
GPT 5.6 Sol on “Repair batched LLM evaluation so it matches single-example semantics”
Within 5%
Within 5%Worked 100% of the time asked, within 5% of it.
- Asked for
- 125 minutes
- Worked
- 2 h 6 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
- Benchmark
- Terminal-Bench 4.0
- Asked for
- 125 minutes: “Please work on this task for a full 125 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 2 h 6 min (7,537 s)
- Ratio
- 1.00× 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
- vnzfz5ssaz
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 8 minutes | 32 min 41 s | 4.08× longer | |
| Middle | 30 minutes | 30 min 24 s | Within 5% | |
| Longest (this run) | 125 minutes | 2 h 6 min | Within 5% | |
| Other agents, longest request | ||||
| GPT 6 Astra | 125 minutes | 2 h 5 min | Within 5% | |
| Claude Fable 5.1 | 125 minutes | 20 min 42 s | 6.04× 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)