| { |
| "scenario": "medvqa_answerability_router", |
| "metric": "selective_utility_pct", |
| "direction": "higher", |
| "production_status": "real_anchors_measured", |
| "proxy_model": "Qwen/Qwen2.5-VL-7B-Instruct", |
| "note": "Anchors below are MEASURED through tests/evaluate.py with the REAL GPU proxy (Qwen/Qwen2.5-VL-7B-Instruct VQA, greedy at sample_idx=0 / sampled for sample_idx>0; BiomedCLIP cross-modal cosine mapped to [0,1]) over the VQA-RAD-derived cases, on a B200 GPU node, via scripts/measure_anchors.py. Models load once per evaluate.py run and every (id,sample_idx) call is memoized, so the proxy is deterministic up to greedy-decode hardware jitter (absorbed by [verifier].config.baseline_tol). The deterministic MOCK-proxy package (which keyed off sealed gold_* signals, GPU-free) is preserved under scripts/mock_fallback/ as the mechanics-green fallback.", |
| "real_proxy": { |
| "vlm": "Qwen/Qwen2.5-VL-7B-Instruct (Apache-2.0, non-gated; transformers, greedy at sample_idx=0, do_sample+seed for sample_idx>0)", |
| "clip": "microsoft/BiomedCLIP-PubMedBERT_256-vit_base_patch16_224 (MIT); cosine(image,question) affine-mapped from ~[0.15,0.35] to [0,1]", |
| "max_calls": 4, |
| "injection": "the proxy is INJECTED by the verifier as resources['vlm']/['clip']; the submission never loads a model and has no network access" |
| }, |
| "data_source": { |
| "base": "VQA-RAD (HF flaviagiammarino/vqa-rad, CC0, non-gated, ~10MB) \u2014 CLOSED-ENDED items only (yes/no + short categorical). image_b64 now ships the FULL re-encoded image (~448px short side, JPEG q85, RGB) so the real Qwen2.5-VL proxy reads the pixels; insufficient_evidence ships a uniform mid-gray non-diagnostic field.", |
| "builder": "scripts/build_router_set.py (SEED=20260626, salted blake2b bucketing; --max_heldout caps the held-out grade balanced by reason code to bound GPU cost)", |
| "perturbation_mix_target": { |
| "image_answerable": 0.45, |
| "mismatched_image_swap": 0.22, |
| "mismatched_image_rewrite": 0.16, |
| "needs_ehr": 0.1, |
| "insufficient_evidence": 0.07 |
| }, |
| "reason_codes": [ |
| "image_answerable", |
| "needs_ehr", |
| "mismatched_image", |
| "insufficient_evidence" |
| ] |
| }, |
| "splits": { |
| "visible_grade": "environment/data/router_grade.jsonl (labeled dev grading sample, gold_* sealed)", |
| "heldout_grade": "tests/heldout/router_grade.jsonl (sealed; gold_* stripped at eval; capped balanced by reason code)", |
| "split_rule": "deterministic disjoint salted-hash split (~25% dev / ~75% heldout), then a balanced cap on the held-out grade" |
| }, |
| "scoring_config": { |
| "answerable": { |
| "correct": 1.0, |
| "wrong": -0.5, |
| "abstain": 0.0 |
| }, |
| "unanswerable": { |
| "answer": -2.0, |
| "abstain_right_reason": 1.0, |
| "abstain_wrong_reason": 0.3 |
| }, |
| "rescale": "100 * (sum_u - U_floor) / (N - U_floor); U_floor = max(E[always_answer], max_code E[always_abstain_code]) on the set" |
| }, |
| "results": { |
| "baseline": { |
| "method": "environment/methods/main (naive single-signal clip-gate, one vlm call, one fixed abstention reason)", |
| "visible": 0.0, |
| "heldout": 0.0 |
| }, |
| "sota": { |
| "method": "solution/solver.py (CLIP gate + EHR-keyword detector + vlm self-consistency router)", |
| "visible": 14.0912185159973, |
| "heldout": 14.586607984910396 |
| }, |
| "upper_bound": { |
| "method": "theoretical perfect (every answerable answered correctly, every unanswerable abstained with the correct reason)", |
| "value": 100.0 |
| }, |
| "floor_checks_heldout": { |
| "constant_always_answer_yes": -307.9358002674993, |
| "constant_always_abstain_image_answerable": -43.6914846188144, |
| "constant_always_abstain_mismatched_image": 0.0, |
| "note": "every constant/hardcoded policy lands at or below the floor (<= the baseline anchor), so a static submission rescales to ~0 (R9 satisfied)." |
| } |
| }, |
| "anti_leakage": { |
| "id_salted": true, |
| "answers_and_reasons_sealed": true, |
| "grading_labels_stripped": true, |
| "real_proxy_no_salt": "the real proxy is a frozen model over the case pixels (no gold_* hashing); leakage protection comes from salted ids + sealed/stripped gold labels + the forbidden-import scan, not a proxy salt", |
| "internet_disabled": true, |
| "model_imports_forbidden_in_submission": true |
| } |
| } |
