Altair vs Crosby Health
Crosby drafts appeals.Altair learns the payer behind them.
Crosby Health uses Apollo, a clinical LLM, to draft and file denial appeals across payer portals and Medicare.
Altair is an autonomous, end-to-end RCM platform that runs your whole revenue cycle, eligibility to payment, on your existing systems, with CFO-grade financial intelligence on top. It files those appeals, then learns each payer to prevent them.
Filing appeals, or needing fewer.
Crosby Health drafts and submits clinical denial appeals. Altair is an autonomous, end-to-end RCM platform that runs your whole revenue cycle, eligibility to payment, on your existing systems. It files those appeals, then learns each payer to prevent them.
| Capability | Altair | Crosby Health |
|---|---|---|
| Core model | Autonomous, end-to-end RCM that learns each payer, eligibility to payment, with CFO-grade forecasting and financial transparency, layered on your stack | Apollo clinical LLM, focused on denial appeals (also auditing and charge capture) |
| Works with your existing EHR and clearinghouse | Yes | Payer portals and Medicare; EHR unverified |
| Rip-and-replace migration required | No | No |
| Pre-submission scrub against each payer's real policies | Yes | No, appeals only, post-denial |
| Denial memory that learns per-payer from every worked denial | Yes, your payers | No per-payer learning |
| Denials worked the moment they land (autonomous) | Yes | AI appeals, one-click submit |
| Auto-drafted, payer-specific appeal letters | Yes | Yes, core product |
| Prior-auth mapped to payer criteria before submission | Yes | No, appeals auth denials after the fact |
| Financial forecasting and per-payer transparency (CFO-grade) | Forecast, probability of payment, per-payer reimbursement, underpayment + why | No, appeals focused |
| Time to first value | Days. Connects to what you already run | Not published |
| Best for | Running your whole revenue cycle and getting paid in full | Drafting and filing clinical denial appeals (plus auditing and charge capture) |
Crosby is a fast way to file appeals. Altair is how you file fewer.
Comparison based on publicly available product information, current as of June 2026. A check mark indicates a capability the product offers, not a measure of scale or outcomes. Crosby Health is a trademark of its respective owner and is not affiliated with Altair.
Works with everything you already run.
Altair runs on top of every EHR, practice-management system, and clearinghouse on the market, including yours. No rip-and-replace, no new software, no exceptions.
Runs the whole cycle: eligibility and benefits, prior authorization, medical necessity and documentation, payer-specific claim scrubbing, submission, claim tracking, remittance, autonomous denials, payer-specific appeals, and CFO-grade financial forecasting and underpayment detection.
Over 80% of appealed denials are overturned.
Appeals work when they get written and sent. Crosby is a fast way to file them. Altair files them too, and prevents and works the denials behind them, learning each payer so fewer ever reach the appeal stage.
KFF analysis of Medicare Advantage prior-authorization data, 2024. Overturn rates vary by payer and program.
Altair vs Crosby Health, answered.
Does Altair replace Crosby Health?
They overlap on appeals. Crosby drafts and files clinical denial appeals. Altair is an autonomous, end-to-end RCM platform that runs your whole revenue cycle on the systems you already use, eligibility to payment, with CFO-grade forecasting and per-payer financial transparency. So it files the appeals Crosby does, then prevents and works the denials behind them. If you want the whole revenue cycle handled, not just the appeal, Altair is the broader layer.
How is Altair different from Crosby Health?
Crosby is focused on drafting and submitting clinical appeals. Altair runs your whole revenue cycle autonomously, end to end on the systems you already use, with CFO-grade forecasting, per-payer reimbursement, and underpayment visibility. It learns each payer's behavior from every denial and turns it into prevention, so the same denial does not keep coming back.
Does Altair learn each payer?
Yes. Every denial Altair works teaches it a new edge case for your specific payers, and that learning becomes a pre-submission check that prevents the next one. That per-payer learning loop is the core of how Altair compounds results over time.
What financial visibility does Altair add that Crosby does not?
Altair gives RCM leaders and CFOs forward financial intelligence appeals tools do not: it forecasts collections by payer, scores each claim's probability of payment, shows per-payer reimbursement against expected rates, and flags underpayments and why. You see what you will collect, not just what already cleared.
Is Altair HIPAA compliant?
Yes. Altair is HIPAA compliant. Review our security posture and controls in detail at our Trust Center.
How long does it take to get started?
Days. Altair connects to what you already run, so going live is a matter of days.