CheXagent / CheXOne
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.
- Developer
- Stanford AIMI, USA
- First release
- Dec 2023
- Latest release
- Jan 2026
- Sizes
- 3B – 8B
- License
- Commercial use with conditionsMixed: CheXagent-2: MIT; CheXOne: CC-BY-NC 4.0; CheXagent-8b: no license stated on the card
- Russian
- Not stated
- Running
- On your own serverAlso runs without a GPU
- Industries
- Healthcare, Science and research
What it does
- A draft X-ray description for the radiologist
- Hints for doctors when reviewing images
- Checking reports for completeness
- Training junior radiologists
Where it is used
Hardware requirements
Versions
- CheXOne
- CheXagent-2-3b
- CheXagent-8b
How to run it
I can set this up end to end: pick the model size, deploy it on your server and connect it to your systems.
Frequently asked questions
Can CheXagent / CheXOne be used in a commercial project?
With conditions. License: Mixed: CheXagent-2: MIT; CheXOne: CC-BY-NC 4.0; CheXagent-8b: no license stated on the card. Restrictions vary — region, company revenue, attribution requirements. Have a lawyer check the terms before a commercial launch.
What hardware does CheXagent / CheXOne need?
At minimum: Laptop or regular PC, up to 8 GB of VRAM — smaller versions. Some versions also run on an ordinary CPU, without a GPU. You can calculate the exact VRAM for your model size and context in the hardware calculator.
Does CheXagent / CheXOne support Russian?
The model card does not list languages, so Russian support cannot be promised — it has to be tested on your own examples.
Where can I download CheXagent / CheXOne and what does it cost?
The CheXagent / CheXOne weights are open and free to download. You only pay for the hardware it runs on and for the setup. Source links are at the bottom of this page.
How I deploy it for clients
- SelectionI pick the model size for your task and hardware and test it on your examples.
- DeploymentI deploy it on your server or in a closed network and provide an API.
- Fine-tuningI fine-tune it on your data (LoRA) or connect a knowledge base — whichever is cheaper for the task.
- IntegrationI connect it to your CRM, ERP, bot, website or team chat and set up monitoring.
Similar models
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.
DetailsMedicineRadFMShanghai Jiao Tong University and Shanghai AI Lab · ChinaCommercial use with conditionsAn 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.
DetailsMedicineLingshuAlibaba DAMO Academy · ChinaCommercial use allowedAlibaba'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.
DetailsSource: huggingface.co/StanfordAIMI/CheXOne. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.


