Oncology Report-Derived VQA - Brain MRI Report-Derived: leaderboard

Metric: Accuracy (%; zero-shot multiple-choice VQA with 2-5 options on one representative 2D slice of a 3D study, the model sees the image, question and options but never the report; invalid responses excluded; brain MRI, 480 cases (UCSF-PDGM images with private reports), 7,656 LLM-written questions checked against the report). Source: arxiv.org. Saturation forecast: Around December 2026. 6 models tracked.

Top models

#ModelScore
1Claude Opus 4.668.1
2GPT-566.1
3GPT-5.263.5
4MedGemma-27B-IT61.3

Interactive version: theaggregate.ai/benchmark?slug=oncology-report-derived-vqa-brain-mri-report-derived · How It Works · Data refreshed daily, snapshot 2026-09-26.