Ambience Healthcare vs Heidi Health (2026)
The plainest split is language and geography. Ambience's support centers on English and access is limited to clinicians in the United States, while Heidi reports use in 110 languages across more than 190 countries. From there the products diverge by buyer. Ambience is built for US health systems, reading from and writing to Epic and Cerner Millennium, grounding notes in the longitudinal chart, and wrapping the scribe in coding, documentation integrity, after visit summaries, referrals and pre visit preparation. Heidi is self serve and global, with published prices from a free tier, compliance pages by jurisdiction, and Heidi Evidence for cited clinical questions; its EHR integration comes with the Teams plan, priced on request. If your failure mode is native EHR structure and the work after the note inside a US health system, start with Ambience. If it is languages, geographies or a price you can see, start with Heidi.
- Integration is structured, reading from and writing to Epic and Cerner Millennium, with Care Context grounding each note in prior notes, labs, imaging, medications and problem lists.
- The work after the note is part of the product. Its coding tools check documentation against coding requirements at the point of care, and Patient Instructions Generator, Referral Letters and Care Context cover patient instructions, referrals and pre visit preparation.
- Health system deployments are named, from Cleveland Clinic, which onboarded more than 4,000 clinicians in four months, to UCSF, MultiCare and Memorial Hermann.
- Heidi reaches more than 190 countries, with compliance pages for HIPAA, Australia and New Zealand, Canada, the UK and GDPR, and US data hosted within the United States.
- The price is published, from a free tier to Clinician at $110 per user a month billed annually, where Ambience publishes no price or base fee.
- The platform reaches past documentation. Heidi Evidence answers clinical questions with citations from BMJ Group content, and Heidi Comms coordinates patient calls, bookings and follow ups.
This comparison is published by AI Health Index, an independent research platform that compares healthcare AI vendors objectively. Ambience Healthcare and Heidi 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 | Ambience Healthcare | Heidi Health |
|---|---|---|
| Primary category | Ambient Scribes | Ambient Scribes |
| Founded | 2020 | Not recorded |
| Headquarters | San Francisco, California | Melbourne, Australia |
| Website | ambiencehealthcare.com | heidihealth.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.
Ambience Healthcare sells an AI platform for documentation, coding and clinical documentation integrity to large health systems and academic medical centers. Its Ambient Scribe records the visit and drafts a structured note with suggested ICD-10 and CPT codes for the clinician to review, across ambulatory, inpatient and emergency settings and more than 200 specialties.
Source: AI Health Index, July 2026
Heidi is a global ambient AI scribe that generates structured clinical notes from the patient encounter. It reports more than 175 million patient interactions supported across more than 190 countries, and solutions are published for family medicine, specialists, nurses, mental health, allied health, dentists, veterinarians and trainees.
Source: AI Health Index, July 2026
Questions buyers ask
How do Ambience Healthcare and Heidi Health work with the EHR?
The Epic integration has been live since 2023, when John Muir Health launched it as a two way connection built in two weeks; Ambience joined Epic's Toolbox program in August 2025, and clinicians launch it from Haiku in outpatient, emergency and inpatient settings. Onvida Health runs chart summarization, scribing, coding and patient summaries inside Hyperspace and Haiku.
With Heidi Health, the Teams integrations reach the main hospital and ambulatory systems. For Epic, Heidi describes ambient documentation, structured writeback and clinical task automation across Hyperspace, Hyperdrive and Haiku. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified July 22, 2026. No vendor pays for placement.
How are Ambience Healthcare and Heidi Health priced and sold?
Since 19 August 2026 Ambience's contracts follow The Ambience Standard: dedicated clinical, engineering and value attainment teams work inside each customer, and fees are put at risk against the health system's own outcome targets, with utilization, burnout, retention and coding accuracy among the measures, rather than charged by seat, token or usage.
For Heidi Health, a Max seat carries five times the usage allowance of a Standard seat for agents and Routines, and costs $299 per user per month billed annually. Scribing and evidence questions never draw on that allowance, and Heidi says it never charges overages. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified July 22, 2026. No vendor pays for placement.
How do Ambience Healthcare and Heidi Health handle patient data?
The terms let Ambience keep and use de identified data derived from patient information for any purpose, including marketing, unless the master services agreement says otherwise.
In Heidi Health's case, data is never used for secondary purposes such as model training or commercialization, and clinical data is never shared or sold. Identifiable details are removed from transcripts and notes and processed separately from the rest. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified July 22, 2026. No vendor pays for placement.
Which settings and specialties do Ambience Healthcare and Heidi Health cover?
For Ambience Healthcare, support is English first, after visit summaries can be written in the patient's language, and access is limited to clinicians based in the United States.
With Heidi Health, the company reports around 2.8 million patient visits a week in 110 languages from 190 countries, and states coverage of more than 200 specialties. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified July 22, 2026. No vendor pays for placement.
Related comparisons
Other published head to head assessments involving these vendors or their closest peers.
Volume and language figures for both vendors are vendor published. Ambience's evidence is customer and survey reports, including a Cleveland Clinic deployment report written with Ambience authors; Heidi's is three medRxiv preprints by its own research team using simulated visits or synthetic speech. Heidi's HIPAA page makes a business associate agreement available to every covered entity it works with, and Ambience states its business associate status without publishing the agreement. An earlier version of this comparison quoted third party price estimates for Ambience that trace to no named source; they were removed on 10 October 2026.