At the intersection of health and AI

Better intelligence.
Built for health.

HEALTH, IN CONTEXT

We build health AI products, develop custom software,
and research what makes these systems work.

Discover Yesil Science ↓

PRODUCTS / SOFTWARE / RESEARCH INDEPENDENT THINKING. PRACTICAL SYSTEMS.

Yesil Health OS

Your health.
More connected.

Personal health intelligence
that starts with a conversation.

360° Health Context Unifies vitals, lab reports, symptoms, and daily habits into one persistent view.

Evidence-Grounded Triage Conversational guidance backed by 250M+ peer-reviewed papers without hallucinations.

Persistent Yesil Memory™ Remembers labs, trends, and past dialogues across months, not just single chats.

Yesil AI API

Health intelligence.
Inside your product.

Bring configurable health AI to your applications
and patient experiences with Yesil AI API.

Chat & Evidence Endpoints Two APIs, one engine: stream synthesized clinical answers or retrieve ranked papers.

250M+ Cited Papers & Guardrails Verifiable medical citations on every response, built for clinical compliance.

Typed SDKs & Yesil Memory™ Drop-in TypeScript and Python clients with persistent user state and SSE streaming.

TRUSTED PARTNERS & COLLABORATORS

Partnered with leading hospital networks, pharmaceutical leaders, enterprise tech, and research ecosystems.

+30 More Partners

OUR APPROACH

From a health-AI idea
to a working system.

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

Strategy & consulting

Define the opportunity.

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

Software & integration

Build what you need.

Custom web and mobile software, LLM integrations and health-focused agent systems.

Research & evaluation

Understand what works.

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

Tell us what you're building

RESEARCH Build. Question. Evaluate.

Good questions.
Better systems.

How well do language models work in health? Where do they fall short? Our research explores clinical decision support, evidence grounding and the evaluation of health AI.

Explore health LLM benchmarks

RESEARCH PAPER2025

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