By Epic SystemsLearning Objectives
- Understand Epic Cosmos as the research database and the broader Epic AI feature set
- Identify the major AI capabilities (ART, note summarization, AI agents)
- Evaluate Epic Cosmos's role in healthcare AI vs separate ambient AI scribes
What Is Epic Cosmos?
Epic Systems' Cosmos is the research database underlying Epic's AI strategy — encompassing 270 million patient records from over 13 billion encounters representing patients in all 50 US states. Combined with Epic's embedded AI features — In-Basket Augmented Response Technology (ART) for patient message drafting, note summarization, and emerging AI agents for pre-visit prep — Cosmos forms the foundation of one of the largest healthcare AI platforms by deployment scale.
Epic dominates the US enterprise EHR market — its software runs the clinical workflow for the majority of large US hospitals and health systems. Adding AI features at the Epic platform layer means hundreds of thousands of physicians get the AI capability without separate procurement; it ships with their existing EHR. In-Basket ART alone is used by over 150 organizations and generates over 1 million drafts monthly.
💡Key Concept
Why Epic-native AI matters: Healthcare AI startups (Abridge, Suki, Augmedix) require separate procurement, integration work, and physician adoption. Epic's AI ships inside the EHR physicians already use — physicians see the AI suggestion next to the patient chart they're already reviewing. The trade-off: Epic's AI capabilities may trail best-of-breed startups in any single feature, but the integration depth and zero-friction adoption make platform-level AI the high-leverage path for system-wide AI rollout.
✅Tip
Visit Epic Cosmos: cosmos.epic.com — Cosmos research access for Epic customer organizations; AI features ship with Epic EHR
Status & Pricing
Epic AI features are included with Epic EHR licensing — no separate AI subscription. Epic licensing is custom-quote and notoriously not publicly disclosed.
- Includes Cosmos research access for participating organizations
- Includes embedded AI features
- Multi-year contracts
- Pre-drafts patient messages
- Used by 150+ organizations
- 1 million+ drafts monthly
- Summarizes recent chart entries + external data
- Citations linking to source
- Native EHR workflow
- 270 million patient records
- 13 billion encounters
- All 50 US states
- Pre-visit prep + scheduling + lab follow-up
- Patient-facing chat
- Workflow automation
- Test new AI use cases
- Researcher-driven exploration
- Beyond standard Cosmos access
For most US health systems already on Epic, AI features arrive as part of the EHR — meaningful versus the per-clinician costs of standalone AI scribes ($200-$800/month per provider).
Core AI Features
Cosmos Research Database (270 Million Patients)
Epic's Cosmos aggregates de-identified patient data across participating Epic customer organizations:
- 270 million patient records
- 13+ billion encounters
- Patients from all 50 US states
Cosmos enables population-scale research and real-world evidence generation that no single health system could produce alone. Researchers access Cosmos through queries answered without identifying individual patients.
In-Basket Augmented Response Technology (ART)
The flagship messaging AI. MyChart In-Basket ART pre-drafts responses to patient messages based on the message content + chart data. Clinicians review, edit, and send — preserving physician oversight while reducing typing time.
Scale: 150+ organizations using ART, over 1 million drafts generated monthly. Material productivity gain across health systems already burdened with patient message volume.
Note Summarization with Citations
Generative AI creates concise summaries of recent chart entries, external data, and notes — helping clinicians quickly grasp patient status. Critical innovation: summaries include citations linking back to source information, supporting verification and audit.
Used in scenarios like patient handoffs, specialty referrals, pre-procedure review, and chart review for new patients — workflows where reviewing pages of notes manually is impractical.
AI Agents for Pre-Visit Prep
Emerging Epic AI agents:
- Chat with patients about their needs before visits
- Identify missing tasks (labs, imaging, prior records)
- Help schedule and complete the missing items
- Create easy-to-read summaries for clinicians
Goal: turn pre-visit prep from a manual triage process into automated coordination.
Curiosity Virtual Lab (February 2026+)
Researchers from Cosmos participating organizations can explore Curiosity in a virtual lab to test new AI use cases. Builds out the research-collaboration ecosystem on top of Cosmos data.
Emmie + Art Patient-Facing AI
Epic's expanding patient-facing AI tools — including Emmie for patient communication and ART as the in-basket-response engine — extend Epic AI from physician workflows to patient-facing experiences.
Strengths
- Massive deployment scale: Epic dominates US enterprise EHR; AI ships to most US health systems
- Cosmos research database: 270 million patient records — among the largest healthcare research databases
- Zero-friction adoption: AI features in the EHR physicians already use
- In-Basket ART proven at scale: 150+ organizations, 1 million+ drafts monthly
- Citations in summaries: Defensible AI outputs with audit trail
- Bundled with EHR licensing: No separate AI procurement
- AI agent roadmap: Pre-visit prep + scheduling + workflow automation rolling out
Limitations & Considerations
- Less specialized than best-of-breed AI: Epic AI may trail Abridge or Suki on specific features
- Epic-only: Doesn't help non-Epic health systems
- Pricing opacity: Epic licensing notoriously not disclosed; total cost hard to compare
- Vendor lock-in: Deep Epic deployment makes switching even harder than today
- Feature rollout pace: Epic moves deliberately; new AI features ship slower than venture-funded startups
- Customer-organization participation in Cosmos varies: Not every Epic customer participates; data access varies
Best Use Cases
| Use Case | Why Epic Cosmos Fits | Caveat |
|---|---|---|
| System-wide AI rollout in Epic-based health systems | Zero-friction adoption | Less feature depth than specialized startups |
| Patient message volume reduction | In-Basket ART pre-drafts at scale | Quality improves with physician feedback |
| Patient handoff and chart review | Note summarization with citations | Verify accuracy in your specialty |
| Population health research | Cosmos 270 million patient research database | Participating org status varies |
| Pre-visit task coordination | AI agents emerging in 2026 | New capability; track rollout |
When to choose alternatives:
- Specialty-tuned ambient documentation → Abridge, Suki AI, Augmedix for deeper specialty workflows
- Non-Epic health systems → Epic Cosmos doesn't apply; use Oracle Health, athenahealth, MEDITECH equivalents
- Single specific AI capability with best-in-class quality → specialized startup likely outperforms Epic on any one feature
- Smaller practices not on Epic → use lower-cost specialty AI tools rather than full EHR overhaul
- Deep voice-driven workflows → Suki AI for voice command + ambient hybrid
Key Takeaways
- Epic Cosmos is the research database of 270 million patient records from 13 billion encounters underlying Epic's healthcare AI strategy
- Major AI features include In-Basket ART (1 million+ message drafts monthly across 150+ organizations), note summarization with citations, AI agents for pre-visit prep, and the Curiosity virtual lab for Cosmos participants (February 2026+)
- Epic dominates the US enterprise EHR market — AI features ship to most US health systems with zero separate procurement
- Bundled with Epic EHR licensing; trade-off vs specialized AI startups is integration depth + adoption ease vs single-feature best-in-class quality
- Best fit for system-wide AI rollout in Epic-based health systems; for specialty-tuned ambient documentation use Abridge, Suki AI, or Augmedix; for non-Epic systems use the equivalents in those EHR ecosystems
