ResearchResearch paperComputer Vision · Speech & Audio1 source · Oct 9, 2026

Can Multimodal Decision Models Classify Breast Ultrasound Images? Benchmarking CLEF and CLEF-Flash Across Prompts and Datasets

This study benchmarks inference with CLEF and CLEF-Flash on 2818 breast ultrasound images from Dataset B, BUSI, and BUS-BRA.

Key points

  • Multimodal decision models return probabilities over predefined alternatives, offering a structured interface for image classification.
  • Dataset B and BUS-BRA use binary benign-malignant classification, whereas BUSI includes normal, benign, and malignant categories.
  • Clinical instructions improve CLEF-Flash accuracy relative to the minimal prompt but reduce CLEF accuracy on all datasets.
  • These findings demonstrate dataset-and prompt-dependent performance and motivate class-specific evaluation before applying multimodal decision models to breast ultrasound analysis.

Sources (1)

Extractive summary: sentences quoted from the sources.

Before this

  1. Oct 9, 2026Introducing Clef-omni with full multimodality, plus a faster Clef and a cheaper Clef-flash
  2. Oct 8, 2026Show HN: Jevman – AI decision models play Pac-Man

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