PostTrainBench v1.1, middle of three requests
GPT 5.6 Sol on “Post-train Qwen3-1.7B-Base for HumanEval”
Within 5%
Within 5%Worked 100% of the time asked, within 5% of it.
- Asked for
- 8 hours
- Worked
- 8 h 1 min
- Grade
- Score 65.2 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
- Benchmark
- PostTrainBench v1.1
- Asked for
- 8 hours: “Please work on this task for a full 8 hours. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 8 h 1 min (28,833 s)
- Ratio
- 1.00× the request
- How it ended
- Ended on its own
- Grade
- 0.652
- Accuracy of the post-trained checkpoint on the full test set (HumanEval pass@1 over 164 problems, or GSM8K over 1,319 problems). No official pass rule.
- Score
- 65.2 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- 6vtlndpuej
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 2 hours | 2 h 11 min | 1.09× longer | |
| Middle (this run) | 8 hours | 8 h 1 min | Within 5% | |
| Longest | 30 hours | 1 h 2 min | 29.07× shorter | |
| Other agents, middle request | ||||
| GPT 6 Astra | 8 hours | 8 h 1 min | Within 5% | |
| Claude Fable 5.1 | 8 hours | 6 h 35 min | 1.21× shorter | |
See it on the chart. Transcripts are not published yet.
Data and citation
Upstream: Rank et al., 2026 (ICML)