MedGemma 4B IT

by Google

MedGemma 4B IT is a model from Google, released on May 20, 2025. It ranks #207 of 220 models by Intelligence Score with a score of -4.6.

MedGemma is a collection of Gemma 3 variants that are trained for performance on medical text and image comprehension. MedGemma 4B utilizes a SigLIP image encoder that has been specifically pre-trained on a variety of de-identified medical data, including chest X-rays, dermatology images, ophthalmology images, and histopathology slides. Its LLM component is trained on a diverse set of medical data, including radiology images, histopathology patches, ophthalmology images, and dermatology images. MedGemma is a multimodal model primarily evaluated on single-image tasks. It has not been evaluated for multi-turn applications and may be more sensitive to specific prompts than its predecessor, Gemma 3. Developers should consider bias in validation data and data contamination concerns when using MedGemma.

Key specs

ProviderGoogle
Release date2025-05-20
Licenseopen weights
Intelligence Score-4.6

Quick answers

Is MedGemma 4B IT open source?

Yes. MedGemma 4B IT is an open model released under the open weights license.

When was MedGemma 4B IT released?

Google released MedGemma 4B IT on May 20, 2025.

How does MedGemma 4B IT compare to Claude Opus 5.5 (Reasoning)?

MedGemma 4B IT scores -4.6 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1.

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