Open-source · Self-hostable

Open-source, self-hostable clinical AI

We develop language models specifically built for clinical medicine — with an emphasis on performance, safety, explainability, and the ability to be deployed fully on-premise. Hospitals retain complete control over their data.

Foundation

internist-base

A foundation model for internal medicine

JAMIA 2024

Our core clinical language model, fine-tuned on curated medical literature and clinical data. It powers the internist.ai platform and serves as the backbone for our specialized downstream models.

  • Optimized for clinical reasoning and differential diagnosis
  • Trained on high-quality, mixed-domain medical data
  • Self-hostable for full data sovereignty
  • Available in multiple parameter sizes
View on Hugging Face
Benchmark

MetaMedQA

A benchmark for medical AI metacognition

Nature Communications 2025

Our open-source evaluation framework that tests whether medical AI models can reliably assess and calibrate their own reasoning — a critical safety requirement for clinical deployment.

  • Published in Nature Communications
  • Tests metacognitive abilities beyond accuracy
  • Open-source code available on Zenodo
  • Used to evaluate our models and third-party systems
View on Zenodo

Design principles

How we decide what to build, what to measure, and what to ship.

Self-hostable

Every model we release can be deployed on-premise. Nothing leaves your infrastructure unless you choose otherwise.

Clinician-centered

Our models augment clinical expertise, never replace it. Physicians retain meaningful control over the AI-assisted workflow.

Rigorously evaluated

We test for metacognition, pattern-recognition bias, and real-world utility — not just multiple-choice accuracy.

Open source

Our models, benchmarks, and evaluation code are released openly to advance the field and enable verification.

Flexible deployment

Pick the deployment model that matches your data-governance and infrastructure constraints.

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Cloud-hosted

Managed by internist.ai with enterprise-grade security and compliance.

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On-premise

Self-hosted within your infrastructure for maximum data control.

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Hybrid

Combine cloud and on-premise components based on your needs.