Evidently vs Wellsheet (2026)
Both use AI to read the record a health system already holds, and they surface different things. Evidently reads the full longitudinal record, including scanned documents, faxes and outside records from Care Everywhere and CommonWell, and reasons over a medical knowledge graph with coding and quality rule sets to return source linked findings. Wellsheet's Care Team Copilot sits on top of the EHR with prioritized views, narrative summaries, draft documentation for hospital course, assessment and plan and discharge summaries, and a chat agent. Elsevier acquired Wellsheet in June 2026 and plans to combine it with ClinicalKey AI. Choose Evidently for findings across scanned and outside documents; choose Wellsheet for summaries and drafts during a hospital stay.
- Scanned documents, faxes and outside records need to be read.
- Findings should link to their source.
- Coding and quality rule sets should inform what is surfaced.
- Clinicians need prioritized views and narrative summaries of the chart.
- Hospital course and discharge summaries should be drafted.
- A chat agent should answer questions about the patient.
This comparison is published by AI Health Index, an independent research platform that compares healthcare AI vendors objectively. Evidently and Wellsheet 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 | Evidently | Wellsheet |
|---|---|---|
| Primary category | Clinical Summarization & Chart Review | Clinical Summarization & Chart Review |
| Headquarters | San Francisco, CA, US | Newark, New Jersey, United States |
| Website | evidently.com | wellsheet.com |
Side by Side
Select any grade to read the note behind it.
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.
Evidently, based in San Francisco, sells Clinical Data Intelligence: AI that reads the full longitudinal record, including scanned documents, faxes and outside records from Care Everywhere and CommonWell, reasons across a medical knowledge graph (ICD-10, SNOMED, RxNorm, LOINC with HCC, HEDIS, PSI, MCC and CC rule sets) and delivers source traced output inside the EHR. Surfaces include AI chart summaries, drafted notes, Ask Evidently chat and Omni, a real time view of the patient.
Source: AI Health Index, September 2026
Wellsheet sells a Care Team Copilot that sits on top of the EHR and reads the existing chart rather than listening to the visit. It gives clinicians prioritized views of chart data, AI-generated narrative summaries and draft documentation for hospital course, assessment and plan and discharge summaries, an embedded chat agent for questions about the patient, and AI Pathways, which walks evidence-based pathways and shows its chosen answer with supporting evidence from the chart.
Source: AI Health Index, September 2026
Questions buyers ask
How do Evidently and Wellsheet work with the EHR?
Evidently says it integrates with any SMART on FHIR enabled EHR and embeds inside the EHR, reads outside records from Care Everywhere and CommonWell, and UNC Health's executive director describes advancing integration with UNC's EHR; University of Iowa and Allina are also live. No integration documentation or listing names the write back path for drafted notes and suggestions.
Wellsheet names Oracle Cerner, Epic and athenahealth, says it is available on the Oracle Cloud Marketplace, Epic Showroom and athenahealth Marketplace, and names deployments at RWJBarnabas Health (seven hospitals) and AllianceChicago on athenaOne; the interface embeds in the EHR through APIs. 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 Evidently and Wellsheet priced and sold?
In Evidently's case, the only commercial signal is a customer reported 6x return, which describes claimed value rather than cost.
For Wellsheet, the company sells to health systems directly and says it is available on the Oracle Cloud Marketplace, Epic Showroom and athenahealth Marketplace. Nothing states the unit of charge, tiers or implementation fees, and the footer disclaimer means the scope being priced must be confirmed. 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 do Evidently and Wellsheet handle patient data?
Evidently says Ask Evidently is built from the ground up around HIPAA and SOC 2 Type II compliance. It reads the whole record, including outside records from health information exchanges and scanned documents, and shapes outputs to each institution and clinician.
In Wellsheet's case, a February 2026 release calls the product HIPAA compliant end to end. The privacy notice (last modified 5 May 2026, published as a PDF on a file-sharing link) covers the website only and points app users elsewhere; nothing states retention, training use or de-identification for chart data. 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 Evidently and Wellsheet cover?
Evidently serves inpatient (admit notes, discharge summaries, CDI, denial appeals), outpatient and value based care (HCC review, care gaps), emergency medicine and perioperative work (pre operative and transplant review, registry abstraction, patient safety indicators).
With Wellsheet, the product supports multidisciplinary rounding across physicians, nursing and case management, inpatient documentation and discharge planning, and outpatient clinics, including AllianceChicago's community health centers on athenaOne. 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. Neither publishes a price. Wellsheet's site footer says some described features are illustrative and not in the product, without saying which.
Ask Wellsheet which features ship today, and ask Evidently who audits the findings clinicians accept.