Open-source medical AI models

Medical models help analyze images, clinical notes and discharge summaries and answer questions over clinical materials. They support doctors and clinic staff and do not replace a diagnosis. Always check the license, terms for medical use, data protection requirements and whether the model can be deployed on-premises.

18 open model families in this collection.Updated 22 Sep 2026Open the full catalog with filters
MedicineGGUF2023–2026

HuatuoGPT

FreedomIntelligence (The Chinese University of Hong Kong, Shenzhen) · China

A large family of medical models: chat, an imaging version, the reasoning HuatuoGPT-o1 and the new HuatuoGPT-3 on Qwen3. Does not replace a doctor; decisions are made by a specialist.

  • Draft discharge summaries for a doctor to review
  • Searching medical literature
  • Hints for doctors when reviewing images (Vision)
Sizes
7B – 72B
Hardware
from: Laptop
Commercial use allowedDetails
MedicineOllama2023–2026

Meditron

EPFL · Switzerland

Open medical models from Swiss EPFL, fine-tuned on clinical guidelines on top of various base models. Does not replace a doctor; decisions are made by a specialist.

  • Answering staff questions based on clinical guidelines
  • Draft discharge summaries for a doctor to review
  • Searching medical literature
Sizes
2B – 70B
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineGGUF2025–2026

Hulu-Med

Zhejiang University · China

A medical model for text, images, 3D scans and video: from a light 4B to a large MoE. Does not replace a doctor; decisions are made by a specialist.

  • Hints for doctors when reviewing images and CT scans
  • Draft reports and discharge summaries
  • Searching medical literature
Sizes
4B – 235B-A22B
Hardware
from: Laptop
Commercial use allowedDetails
MedicineOllama2025–2026

MedGemma

Google · USA

Google's medical version of Gemma: reads medical texts and images (X-ray, dermatology, histology). A tool for doctors and developers; does not replace a doctor, decisions are made by a specialist.

  • Draft discharge summaries and reports for a doctor to review
  • Hints for doctors when reviewing images
  • Searching and summarising medical literature
Sizes
4B – 27B
Hardware
from: Laptop
Commercial use with conditionsDetails
Medicine2023–2026

CheXagent / CheXOne

Stanford AIMI · USA

Stanford models for chest X-rays: they describe the image and prepare a draft report. Does not replace a doctor; decisions are made by a specialist.

  • A draft X-ray description for the radiologist
  • Hints for doctors when reviewing images
  • Checking reports for completeness
Sizes
3B – 8B
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineGGUF2025–2026

Lingshu

Alibaba DAMO Academy · China

Alibaba's medical model based on Qwen2.5-VL: understands many types of medical images and medical text, and can reason step by step. Does not replace a doctor; decisions are made by a specialist.

  • Hints for doctors when reviewing images
  • Draft reports and discharge summaries
  • Searching medical literature
Sizes
7B – 32B
Hardware
from: Laptop
Commercial use allowedDetails
MedicineGGUF2025–2026

AntAngelMed

Ant Healthcare (Ant Group) and Zhejiang Provincial Medical Information Center · China

A large medical MoE model based on Ling-flash-2.0: 100B parameters with 6B active, so it answers quickly. Does not replace a doctor; decisions are made by a specialist.

  • Reference answers to staff on clinical questions
  • Draft discharge summaries for a doctor to review
  • Searching medical literature
Sizes
100B-A6B
Hardware
from: 1 GPU
Commercial use allowedDetails
Medicine2025

MedSigLIP

Google · USA

Google's lightweight encoder for medical images and text, the same one inside MedGemma. Sorts images and finds similar ones. Does not replace a doctor; decisions are made by a specialist.

  • Finding similar images in a clinic's archive
  • Pre-sorting images for a doctor
  • A base for your own image classifiers
Sizes
about 0.9B
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineGGUF2025

II-Medical

Intelligent Internet · UK

Reasoning medical models on Qwen3, designed to run on an ordinary computer. Does not replace a doctor; decisions are made by a specialist.

  • Reference answers to staff with the reasoning shown
  • Draft discharge summaries for a doctor to review
  • Searching medical literature
Sizes
7B – 32B
Hardware
from: Laptop
Commercial use allowedDetails
Medicine2024–2025

Bioptimus H-optimus

Bioptimus · France

Pathology foundation models from France's Bioptimus with 1.1B parameters, plus the compact H0-mini. The first version is open under Apache 2.0. Does not replace a doctor; decisions are made by a specialist.

  • Histology slide patch features for research models
  • A prototype for sorting slides by tissue type
  • Research projects linking morphology and molecular data
Sizes
86M (H0-mini) – 1,1B
Hardware
from: Laptop
Commercial use with conditionsDetails
Medicine2024–2025

MahmoodLab UNI / UNI 2

Mahmood Lab (Mass General Brigham, Harvard) · USA

A foundation model for histology slides: turns patches of digital slides into features for tissue classification. Does not replace a doctor; decisions are made by a specialist.

  • Research classifiers of tissue types from digital slides
  • Finding similar cases in a slide archive
  • Preparing features for research prognosis models
Sizes
about 300M (UNI) – about 680M (UNI2-h)
Hardware
from: Laptop
Non-commercial onlyDetails
Medicine2024

MahmoodLab CONCH / TITAN

Mahmood Lab (Mass General Brigham, Harvard) · USA

Image-plus-text models for pathology: search slides by an English description, classify without fine-tuning; TITAN describes a whole slide. Does not replace a doctor; decisions are made by a specialist.

  • Text-query search across a slide archive for research
  • Draft slide descriptions for research projects
  • Tissue classification without labels at the start of a study
Sizes
about 160M – 300M
Hardware
from: Laptop
Non-commercial onlyDetails
MedicineNot maintained2024

Paige Virchow

Paige · USA

Paige's pathology foundation model, trained on millions of digital slides. The first version is Apache 2.0, the second is for research only. Does not replace a doctor; decisions are made by a specialist.

  • Slide patch features for research classifiers
  • Selecting slides for re-review in research projects
  • Comparison with other pathology models on your own archive
Sizes
about 632M
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineGGUFNot maintained2023–2024

Med42

M42 Health · UAE

Clinical models from Abu Dhabi-based M42, built on Llama and tuned to answer medical questions. Does not replace a doctor; decisions are made by a specialist.

  • Reference answers to staff on clinical questions
  • Draft discharge summaries and letters for a doctor to review
  • Searching medical literature
Sizes
8B – 70B
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineGGUFNot maintained2024

BioMistral

Avignon University and Nantes University · France

Mistral 7B fine-tuned on PubMed Central papers, plus several merges with the general model. Compact and easy to run. Does not replace a doctor; decisions are made by a specialist.

  • Searching and summarising medical papers
  • Draft reference materials for staff
  • Explaining medical terminology
Sizes
7B
Hardware
from: Laptop
Commercial use allowedDetails
MedicineGGUFNot maintained2024

OpenBioLLM

Saama AI Research · India

Llama 3 fine-tuned on medical and biological data. One of the first strong open medical models of 2024. Does not replace a doctor; decisions are made by a specialist.

  • Extracting data from medical documents
  • Draft discharge summaries for a doctor to review
  • Searching medical literature
Sizes
8B, 70B
Hardware
from: Laptop
Commercial use with conditionsDetails
MedicineNot maintained2023

Clinical Camel

Bo Wang's lab (University of Toronto, Vector Institute) · Canada

An early medical model on Llama 2 70B, trained on dialogues based on medical texts. Now mainly of research interest. Does not replace a doctor; decisions are made by a specialist.

  • Research pilots on medical dialogue
  • Training materials for staff
  • Comparison with newer medical models
Sizes
70B
Hardware
from: 1 GPU
Non-commercial onlyDetails
MedicineNot maintained2023

RadFM

Shanghai Jiao Tong University and Shanghai AI Lab · China

An early general-purpose radiology model: understands 2D and 3D images (CT, MRI) together with text. More of a research base. Does not replace a doctor; decisions are made by a specialist.

  • Research pilots on CT and MRI analysis
  • Hints for doctors when reviewing images
  • A base for fine-tuning on the clinic's own images
Sizes
size not stated on the model card
Hardware
from: 1 GPU
Commercial use with conditionsDetails

Collections

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