Abstractive Health vs Zus Health (2026)
Both pull a patient's outside records through the national networks, and they deliver them in different forms. Abstractive Health, a Carequality implementer, searches around a patient's current and prior addresses and returns a summary with every sentence linked to the source note, at a published price: a free tier and $99 per user a month. Zus Health assembles a longitudinal record: its Aggregated Profile queries CommonWell and Carequality, adds pharmacy fills, admission and discharge feeds and lab results, and matches everything to one person, for care teams, analysts and developers. Choose Abstractive for a readable summary a clinician can buy today; choose Zus for a structured record your team can build on.
- Clinicians want a readable summary with every sentence sourced.
- A published price, with a free tier, suits how you buy.
- Individual clinicians should be able to use it.
- You want structured data your developers and analysts can build on.
- Pharmacy fills, admissions and labs should sit beside medical history.
- Records should be matched to one person across sources.
This comparison is published by AI Health Index, an independent research platform that compares healthcare AI vendors objectively. Abstractive Health and Zus Health are each graded against the same capability taxonomy, from each vendor's own public materials and the regulatory record, under the AI Health Index verification standard. No vendor pays for placement, and no vendor has reviewed this page. How this evidence is graded
Plain facts
| Fact | Abstractive Health | Zus Health |
|---|---|---|
| Primary category | Clinical Summarization & Chart Review | Healthcare Administrative Automation |
| Founded | 2022 | 2020 |
| Headquarters | New York, New York, United States | Boston, Massachusetts, United States |
| Website | abstractivehealth.com | zushealth.com |
Side by Side
Select any grade to read the note behind it.
Product updates
The latest logged changes from each vendor, newest first, each linked to its source.
Zus Health
-
Security / compliance
Zus added a managed role, Builder Data Integration, for App Clients that get access tokens on behalf of users, such as EHR integrations or Zus apps embedded in a customer's interface, through the proxy token endpoint.
Source -
Security / compliance
Zus refreshed the code sets behind its automatic tagging of specially regulated records against current VSAC value sets.
Source
Each vendor in one paragraph
Written to be quoted whole. Each paragraph opens the AI Health Index profile of the vendor: what the product is, who buys it and what it does.
Abstractive Health retrieves a patient's records from the national exchange networks and summarizes them, with every sentence of the summary linked to the source note it came from. The company is a Carequality implementer; its search looks for records around a patient's current and prior addresses, and it normalizes CCDA, FHIR R4, PDF and scanned documents into one record, with the original files downloadable.
Source: AI Health Index, September 2026
Zus Health assembles a longitudinal patient record from national data networks and delivers it to care teams, analysts and developers. The Zus Aggregated Profile queries CommonWell and Carequality for medical history, adds pharmacy fill data, admission and discharge feeds and lab results, matches records to one person through a proprietary universal patient index, deduplicates and normalizes everything to FHIR, and shares a customer's contributed data back to the networks.
Source: AI Health Index, September 2026
Questions buyers ask
How do Abstractive Health and Zus Health work with the EHR?
For Abstractive Health, the company is a Carequality implementer, lists CommonWell on its home page, and retrieves CCDA, FHIR R4, PDF and scanned documents into one normalized record, with the original files downloadable and exports in PDF, FHIR and JSON.
With Zus Health, the Zus Aggregated Profile is available inside athenahealth, Elation Health, Canvas Medical and Healthie, each with its own integration page and clinical guide entry, and through a standalone app, embeddable components, REST and GraphQL APIs, webhooks and analytics data marts. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified September 30, 2026. No vendor pays for placement.
How are Abstractive Health and Zus Health priced and sold?
In Abstractive Health's case, a free clinician account (unlimited question answering, five patient searches with summaries and five PDF uploads a month), Standalone at $99 per user per month for up to five users, and an Organization plan at custom pricing, required above five users, with API access and EHR integration.
For Zus Health, the product is sold through contact, with a public sandbox for developers, and the documentation describes data subscription packages that patients are enrolled in and one-time queries; the release note for the Generated Patient Summary says it is free for existing customers. The pricing unit is not stated, and it could be per enrolled patient, per query, per data package or a platform fee. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified September 30, 2026. No vendor pays for placement.
Which settings and specialties do Abstractive Health and Zus Health cover?
With Abstractive Health, the company names outpatient, inpatient and emergency use, pre-visit review, handoff notes, transitions of care and discharge summaries, and population work for the CMS ACCESS model; its case studies cover reproductive endocrinology and VA community care. The peer reviewed validation covers emergency to inpatient handoff notes at one site, and the SBIR study outpatient chart review by two physicians.
In Zus Health's case, the platform serves care teams through its app and embedded views, population health analysts through data marts, and developers through APIs and webhooks, for new-patient intake without an intake form, visit preparation, medication adherence alerts, admission and discharge detection and population health. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified September 30, 2026. No vendor pays for placement.
What evidence is published for Abstractive Health and Zus Health?
For Abstractive Health, the home page says "Clinically proven" and cites the company's JAMA Network Open study (Hartman 2024): a retrospective single-site cohort of 1,600 emergency records at NewYork-Presbyterian and Weill Cornell, 1,500 used for training and 100 for testing, with a research model (RoBERTa and Llama-2 7B, fine-tuned on premise).
With Zus Health, the denominators are patients reviewed and suggestions made, but neither count is given, the three pilots are pooled with no period, and coder acceptance measures agreement with coders, not whether the codes survive a risk adjustment audit. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified September 30, 2026. No vendor pays for placement.
Related comparisons
Other published head to head assessments involving these vendors or their closest peers. The full set for this category is on the Clinical Summarization & Chart Review page.
Both records were reviewed on this site in September 2026. Zus publishes no price.
Ask both what share of a patient's outside records they typically find, and how they handle records that may belong to someone else.