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We build open, reliable and clinically meaningful AI for healthcare. Engineers, clinicians, researchers and students working side by side to turn medical data into real-world impact.
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What is thelion.ai?
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  1. Who We Are

    Medical doctors and healthcare professionals
    Machine learning and software engineers
    Researchers and students
    Startup founders and innovators

  2. What do we do

    We design and deploy AI solutions that are safe to use in real healthcare environments.

  3. Open-Source & Research

    We create openly available datasets, models and tools that push forward medical AI and can be reused by the global community.

    Universal Medical Image Encoder (UMIE) Open-source medical imaging foundation project built on 1M+ standardized images and unified ontology, enabling robust models for CT, MRI and X-ray tasks.

    Polish Medical Language Model Eskulap Domain-specialized LLM for the medical ecosystem.

    Reproducible datasets, models and code published under permissive licenses whenever possible.

    Explore our open-source work

  4. Clinical AI Solutions

    We co-create AI with hospitals and clinicians to address concrete needs.

    Structured Reporting

    Radiology reporting and parametrization of radiological reports

    Risk Prediction

    Models based on clinical, procedural and imaging data

    Decision Support

    Tools for everyday clinical workflows

    Our solutions are explainable, auditable and designed so institutions keep full control of their data.

  5. Education & Community

    AI in healthcare is a team sport. We run workshops, mentor projects, and share knowledge.
    Workshops & Lectures

    For clinicians, students and developers

    Mentorship

    Interdisciplinary projects

    Learning Materials

    Ebooks, worksheets and tutorials

  6. Commercial AI Projects

    We don't do that here. But if you are interesed in:
    End-to-end support: from problem framing and data strategy to deployment
    Expertise in computer vision, NLP and tabular models
    Experience with grant applications and R&D funding in healthtech
    Local AI platforms for hospitals
    Visit medalion.tech

Flagship Projects
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UMIE

Universal Medical Image Encoder

A unified ecosystem of medical imaging datasets and preprocessing pipelines plus open foundation models for downstream tasks.


Eskulap

Polish Medical LLM

An open, domain-specific language model empowering safer, explainable medical text processing.


See all projects

Join TheLion.AI
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Do you want to work on impactful AI projects in healthcare?
Build Impact

Work on AI projects that matter in real healthcare

Open Source

Contribute to tools used by real clinicians

Learn & Grow

Active community of experts and peers

Join us. Share who you are, what you're curious about, and how you'd like to contribute.

Join our community