Accelerating AI development in healthcare

AI building blocks for creating next-generation healthcare solutions.
HAI-DEF (Health AI Developer Foundations) offers free open-weight models and open-source companion tools with an enabling license to help developers build AI-enabled healthcare applications.
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Pre-trained open-weight models

Access pre-trained models to build AI applications, with less data and compute resources.

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Customizable for most applications

HAI-DEF model weights are open, so you can run them wherever you'd like and fine-tune them with your data for your tasks.

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Integrated with Google Cloud

We make it easy to deploy HAI-DEF models on GCP as scalable services with native integration to Vertex AI and Cloud Healthcare API.

MedGemma GIF
Collection of Gemma 3 variants that are trained for performance on medical text and image comprehension. Developers can use MedGemma to accelerate building healthcare-based AI applications. Can be used for:
  • medical image interpretation
  • medical text comprehension and clinical reasoning
  • privacy-preserving tools for the 3 above use cases within a larger agentic system
Lightweight automated speech recognition model with a focus on performance on medical audio, including dictation and notes. Available in English only. Fine-tunable to add new vocabularies and improve performance on specific speakers.
  • Dictation across medical specialties for various report and note types
Accelerator for medical image analysis. Fine-tuned version of SigLIP for medical images, including chest X-rays, CT slices, MRI slices, dermatology images, ophthalmology images, and histopathology patches. Can be used for:
  • Data-efficient classification
  • Zero-shot classification
  • Semantic image retrieval
Collection of open models to accelerate the development of therapeutics. TxGemma can make predictions about small molecules, proteins, nucleic acids, diseases, and cell lines. Can be used:
  • for therapeutic classification, regression, and generation tasks
  • conversationally through the chat variants
  • for agentic orchestration
Foundation model for non-speech audio analysis. The model produces embeddings that capture dense features relevant for audio applications.
  • Data-efficient classification
  • Data-efficient regression
Accelerator for histopathology image analysis. The model produces embeddings that capture dense features relevant for histopathology applications.
  • Data-efficient classification
  • Similar image search
The following embeddings models are legacy, but remain available for existing applications. Use MedSigLIP for new development instead of these models:

Access HAI-DEF models