PostTrainBench v1.1, middle of three requests
GPT 5.6 Sol on “Post-train Qwen3-1.7B-Base for GSM8K”
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 61.6 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 (28,832 s)
- Ratio
- 1.00× the request
- How it ended
- Ended on its own
- Grade
- 0.616
- 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
- 61.6 of 100
- Graded during the run. The paper's value.
- Wording
- The standard sentence, used from 4 September 2026.
- Run id
- zie677duwj
- Data release
- 26 Sep 2026
Related runs
| Sol on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest | 2 hours | 2 h | Within 5% | |
| Middle (this run) | 8 hours | 8 h 1 min | Within 5% | |
| Longest | 30 hours | 12 h 55 min | 2.32× shorter | |
| Other agents, middle request | ||||
| GPT 6 Astra | 8 hours | 8 h 1 min | Within 5% | |
| Claude Fable 5.1 | 8 hours | 54 min 48 s | 8.76× shorter | |
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Data and citation
Upstream: Rank et al., 2026 (ICML)