# Medium PI / trailing_user Status: `available`. This arm contains the completed 1024-row, 32-update Medium PI training run at the requested 4/8/16/32-update milestones. All indexed model repositories are fully merged and directly loadable. The PI was teacher-only during training; do not add Medium PI to the student prompt at evaluation time. - [`iter_0000003`](iterations/iter_0000003/): 4 completed updates - [`iter_0000007`](iterations/iter_0000007/): 8 completed updates - [`iter_0000015`](iterations/iter_0000015/): 16 completed updates - [`iter_0000031`](iterations/iter_0000031/): 32 completed updates, final