Prosper AI vs Waystar (2026)
Two ways to find out what a payer has decided, and the order matters more than the choice. Waystar runs the electronic rails, eligibility, claim status and payment transactions at national scale with an intelligence layer on top, and it answers the routine question in seconds for a fraction of the cost. Prosper handles the calls that exist because the rails failed, dialing payers and holding, while also covering the inbound patient side on the same voice layer, and it names its model provider, which almost nobody here does. Automate the transactions first. Then measure what your staff still spend on the telephone, because that residue is exactly the size of the voice purchase and no larger.
- It handles both directions on one voice layer, calling payers and answering patients for scheduling, intake and billing questions.
- It names OpenAI as its model provider under a zero day retention agreement, and publishes a clear protected health information position.
- For a practice, one voice vendor across inbound and outbound avoids running two contracts for adjacent problems.
- The electronic rails carry the routine questions faster and cheaper, across infrastructure a large share of providers already touch.
- The intelligence suite sits on that platform so predictions arrive inside the existing workflow rather than through another vendor.
- For an organization whose volume is standard transactions rather than exceptions, that is where the leverage is.
This comparison is published by AI Health Index, an independent research platform that compares healthcare AI vendors objectively. Prosper AI and Waystar 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 | Prosper AI | Waystar |
|---|---|---|
| Primary category | Patient Voice Agents | RCM & Prior Auth AI |
| Founded | 2023 | 2017 |
| Headquarters | New York, New York | Lehi, Utah and Louisville, Kentucky |
| Website | getprosper.ai | waystar.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.
Waystar
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Product / capability
Waystar launched agentic AI capabilities inside its AltitudeAI platform, moving from software that scores and routes work to agents that carry the work out.
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.
AI voice agents for patient access and revenue cycle calls. Alongside patient calls for scheduling, intake, refills and billing questions in up to 45 languages, the agents call payers directly, navigating IVR trees and speaking with representatives to obtain benefits and prior authorization details, then write structured results, recordings and transcripts back to the EHR or practice management system (athenahealth, eClinicalWorks, AdvancedMD and Epic named).
Source: AI Health Index, August 2026
Waystar's AltitudeAI capabilities on its healthcare revenue cycle platform, which clears claims, eligibility and payment transactions for about one million providers and roughly 60 percent of US patients.
Source: AI Health Index, August 2026
Questions buyers ask
How do Prosper AI and Waystar work with the EHR?
Prosper's FAQ says it integrates with athenahealth, eClinicalWorks, AdvancedMD and Epic through the integration pathways those systems support, and writes back appointment changes, patient and insurance details, benefits verification outcomes, staff notes, recordings and transcripts.
With Waystar, the Innovation Lab adds FHIR-based prior authorization connectivity for CMS-0057-F. A 2023 third-party survey reports 94 percent of clients satisfied with its EHR integrations. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified August 4, 2026. No vendor pays for placement.
How are Prosper AI and Waystar priced and sold?
Prosper sells through enterprise agreements with provider groups and billing organizations and publishes no rate card.
Waystar's annual report on Form 10-K says contracts generally combine a subscription fee with a volume-based component, sometimes only one; initial terms run two or three years and renew automatically for one-year terms with standard price escalators; billing is monthly; and more than 99 percent of revenue is recurring subscription or predictable volume. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified August 4, 2026. No vendor pays for placement.
How do Prosper AI and Waystar handle patient data?
Prosper's HIPAA guide states a zero day retention agreement with OpenAI, its model provider, so protected health information sent to the model is not retained there or used for training, and daily backups kept under a 30 day retention policy. What is not stated is how long call recordings and transcripts are kept in Prosper's own environment, or whether any de identification occurs before QA scoring.
In Waystar's case, the website privacy policy covers site visitors, keeping web analytics data 24 months and no longer than five years, and says support staff are trained and bound by confidentiality. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified August 4, 2026. No vendor pays for placement.
What evidence is published for Prosper AI and Waystar?
Prosper reports a Northeast OB/GYN group with about half of scheduling calls automated and a Northeast GI group of more than 100 providers with more than half of front desk scheduling and waitlist volume handled by AI within weeks, and says re engagement campaigns can lift appointments 20 percent or more.
With Waystar, a 2023 third-party survey reports 94 percent satisfaction with automation and EHR integrations. From the AI Health Index, drawn from each vendor's own published materials and the regulatory record, verified August 4, 2026. No vendor pays for placement.
Related comparisons
Other published head to head assessments involving these vendors or their closest peers.
Voice automation exists because the electronic transaction came back incomplete, ambiguous or absent, so these are sequential rather than competing and the sequencing decides the spend. On the voice side, recording consent sits with the calling organization and several states require all party consent, and no vendor in this group publishes what happens when a payer representative gives wrong information that then enters the revenue cycle. Neither publishes pricing in comparable form.