{
  "name": "selfjev-4b",
  "base": "Qwen/Qwen3.5-4B",
  "revision": "851bf6e806efd8d0a36b00ddf55e13ccb7b8cd0a",
  "recipe": "selfjev finetune from scratch: new LoRA r64 on attention + DeltaNet projections, shared-prefix tree training (selfjev.engine.tree), lr 2e-4, 1 epoch; 79,943 non-test questions of data/all.jsonl.gz (incl. llm_multilabel_v1, numdate_neg_v1), texts <= 16K tokens; target 0.5 x verified label + 0.5 x Jev's probabilities; options listed in the question",
  "prompt": "challenger-state-first-v1 (selfjev.engine.qwen35.Qwen35Scorer.entry)",
  "options_in_question": true,
  "eval2": 95.8,
  "dev_benchmark": 83.8,
  "eval_llm": 93.1,
  "eval2_by_type": {
    "binary": 96.8,
    "multiclass": 97.0,
    "multilabel": 91.4
  },
  "serve": [
    "selfjev serve --adapter weights/selfjev_4b",
    "selfjev merge --adapter weights/selfjev_4b --out runs/selfjev_4b/merged  # then: selfjev serve --engine vllm --model-dir runs/selfjev_4b/merged"
  ],
  "note": "default model since 2026-09-26, replacing qwen35_4b_tree (eval2 95.6, dev 84.4, eval_llm 82.1; archived at tag archive/pre-cleanup-2026-09-27): best on eval2 and eval_llm (Jev 92.5), fewer confident mistakes; lower on the dev benchmark's public emotion set (Jev's targets). Best-by-validation checkpoint (step 1,800 of 1,803).",
  "adapter_sha256": "dfbf2834d883987893ec305a6093a345fd79c77f903f60f2f914cbe3b6058d1b",
  "source_run": "runs/qwen35_4b_tree_scratch_jevall/adapter",
  "train_meta": "reports/rlcd_jev_2026-09-26/train_meta_scratch_jevall.json",
  "reports": "reports/qwen35_4b_tree_scratch_jevall_/"
}