medgemma 1.5 4b it
google/medgemma-1.5-4b-it
Open Source · chat · open-weights
Open
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Context
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Max output
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Weights
Open
API $/1M
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Modalities
text · image
Released
07 Jan 2026
License: other · google/medgemma-1.5-4b-it
AI summary
● machine-written
MedGemma 1.5 4B IT: Medical multimodal chat model based on Gemma 3
MedGemma 1.5 4B IT is an open-weights conversational model based on Gemma 3, further trained on medical images and text. It accepts both text and image inputs, including chest X-rays, histopathology, dermatology, fundus, CT, and MR images alongside medical documents and electronic health records. The 4-billion-parameter architecture is designed for deployment in medical contexts requiring visual and textual understanding.
What's new
- Based on Gemma 3 architecture with medical-specific training
- Trained on chest X-ray, histopathology, dermatology, fundus, CT, MR, medical text, and EHR data
- Supports image-text-to-text pipeline for multimodal medical reasoning
- Released 2026-01-07 as open-weights under other license
Best for
Medical image analysis (radiology, pathology, dermatology, ophthalmology)Clinical documentation and EHR processingMedical question-answering with visual supportConversational AI for healthcare applications