Terminal-Bench 4.0, middle of three requests
GPT 5.6 Sol on “Repair corrupted pretraining shards and reproduce the intended checkpoint”
Within 5%
Within 5%Worked 101% of the time asked, within 5% of it.
- Asked for
- 80 minutes
- Worked
- 1 h 20 min
- Grade
- Passed
- Score 100 of 100. Graded afterwards.
- 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
- 80 minutes: “Please work on this task for a full 80 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 1 h 20 min (4,829 s)
- Ratio
- 1.01× the request
- How it ended
- Ending not labelled yet
- Grade
- Passed
- It passed the task's tests. The grader returned 1. Pass rule: The task's tests pass.
- Score
- 100 of 100
- Graded afterwards. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- hjn7zgkjsq
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 20 minutes | 20 min 15 s | Within 5% | |
| Middle (this run) | 80 minutes | 1 h 20 min | Within 5% | |
| Longest | 300 minutes | 5 h 1 min | Within 5% | |
| Other agents, middle request | ||||
| GPT 6 Astra | 80 minutes | 1 h 21 min | Within 5% | |
| Claude Fable 5.1 | 80 minutes | 47 min 59 s | 1.67× 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)