We build health AI. Then we measure it.

Yesil Science makes health AI products, builds custom software for health organizations, and researches what makes these systems work.

See what we build ↓ Start a conversation
250M+
peer-reviewed papers behind the answers
7,535
benchmark questions we published openly
2015
building health technology since

Partners and collaborators across hospital networks, pharma, enterprise technology and research.

  • Acıbadem Healthcare Group
  • American Hospital
  • Pfizer
  • Santa Farma
  • NVIDIA Inception Program
  • Amazon Web Services (AWS)
  • Garanti BBVA
  • TÜSİAD
  • İSEK
  • Forbes
  • Istanbul Faculty of Medicine

Some challenges need a product. Others need a new approach. We connect clinical context, software development and AI evaluation to move health ideas forward.

Products

The same engine, as an app for people and as an API for organizations.

Yesil Health OS

Personal health intelligence
↗

Your health. More connected.

Personal health intelligence that starts with a conversation.

My ferritin came back low again. What should I do?
Remembers March labs 2 sources cited Retest reminder set
Illustrative conversation
  • 360° health contextVitals, lab reports, symptoms and daily habits in one persistent view.
  • Evidence-grounded guidanceConversational answers backed by 250M+ peer-reviewed papers.
  • Persistent Yesil Memory™Remembers labs, trends and past dialogues across months.

Yesil AI API

Enterprise health AI engine
↗

Health intelligence. Inside your product.

Bring configurable health AI to your applications and patient experiences.

  • Chat & evidence endpointsStream synthesized clinical answers or retrieve ranked papers.
  • Citations & guardrailsVerifiable medical citations on every response.
  • Typed SDKs & Yesil Memory™Drop-in TypeScript and Python clients with persistent user state and SSE streaming.
Our approach

From a health-AI idea to a working system.

  1. 01
    Strategy & consulting

    Define the opportunity. Use-case discovery, product strategy and technical feasibility for health organizations.

  2. 02
    Software & integration

    Build what you need. Custom web and mobile software, LLM integrations and health-focused agent systems.

  3. 03
    Research & evaluation

    Understand what works. Health LLM benchmarking, model comparisons and evidence-grounded AI research.

Tell us what you're building ↗

Build. Question. Evaluate.

Research

How well do language models work in health, and where do they fall short? We test them, compare them and share what we find.

Open dataset · Hugging Face↗

Health_Benchmarks

Questions we use to test how language models handle medicine and health, free for anyone to use.

7,535
question and answer pairs
52
medical and health topics
Open
free to download and reuse

Latest from health AI

View all articles ↗
Cardiology

AI Heart Age Predicts Long-Term Mortality Risk

An artificial intelligence algorithm reading standard heart ultrasounds can spot physiological vulnerability decades before clinical symptoms appear.
Cardiology

AI Guides Novices to Spot Aortic Stenosis

Nurses and medical assistants using handheld ultrasound with AI guidance accurately flagged severe heart valve disease without specialized imaging training.
Digital Health Education

Daily AI Use Exposes Hospital Policy Deficit

Physicians are adopting artificial intelligence faster than their health systems can write the rules.

AI Health Hub

Daily research summaries and news from health AI, read by more than 3,000 followers on LinkedIn.

Explore AI Health Hub ↗

How can we work together?

Consulting, software development, research collaboration or partnership. Whatever you have in mind, write to us.

contact@yesilscience.com ↗
What would you like to talk about?