Quick take
Quick take (July 2026): both are institutional with no published individual pricing, so an individual clinician cannot meaningfully choose between them. ClinicalKey AI wins on daily corpus refresh, real-time citation validation, SMART on FHIR EHR embedding, and in-workflow CME/MOC. DynaMedex wins on bundled Micromedex drug data and unusually broad free access via societies and libraries.
Who each one is for
The fastest way to rule one out. Both are good products — they are built for different people.
ClinicalKey AI
- Who is it for
- Who it’s for: Hospitals and health systems
- Best for
- Best for: In-EHR reference with CME credit
- Cost
- Cost: Not published (institutional quote)
- Daily refresh: Elsevier full text updated every day, not on an editorial cycle.
- Validated citations: Checks at answer time that sources support the claim.
- In-workflow CME: SMART on FHIR SSO, with CME/MOC credit earned during care.
EHR embedding and governance features are the priority. Real-time citation validation, single sign-on via SMART on FHIR, and CME or MOC credit earned during care are the features that win procurement decisions for ClinicalKey AI.
- Institutional and sales-led, so individual clinicians generally cannot subscribe at a published rate.
- No published individual pricing at all, which makes budgeting and comparison hard.
- English-first, no visible reasoning, and no published accuracy benchmarks.
DynaMedex
- Who is it for
- Who it’s for: Institution and library members
- Best for
- Best for: Drug and prescribing questions
- Cost
- Cost: Not published (institutional / library)
- Drug data: Bundles Micromedex monographs, dosing, and interaction checking.
- Access breadth: Reachable via hospitals, universities, societies, even library cards.
- Update cadence: Faster evidence updating than some curated competitors.
Drug information matters and access breadth is valuable. The Micromedex bundle is a real differentiator for prescribing work, and DynaMed's availability through hospitals, universities, societies, and public libraries means many clinicians can reach it without a new licence.
- No published individual retail pricing, so access is effectively institution-dependent.
- Narrative quality is generally rated below UpToDate in published clinician-preference studies.
- No visible reasoning, no encounter context, and no published accuracy benchmarks.
ClinicalKey AI vs DynaMedex: full comparison
Every cell is a checkable fact rather than a score, verified against vendor documentation in July 25, 2026. Sources are listed at the foot of the page.
| Dimension | ClinicalKey AI | DynaMedex |
|---|---|---|
| Price (individual, 2026) | Institutional, sales-led quote; no published individual rate | Institutional and library licensing; no published individual rate |
| Free tier | Trial via institution | Through your institution |
| Verification required | Institutional credentials or SMART on FHIR SSO | Institutional credentials |
| Availability | Institutional | Global, via institutions |
| Languages | English | English |
| Source base | Elsevier full text, refreshed daily | DynaMed clinical content plus Micromedex drug data |
| Shows its reasoning | No — validated citations, but no exposed reasoning trace | No |
| Ranked differential | No | No |
| AI scribe | No | No |
| Published benchmarks | None published | None published |
| Developer API | SMART on FHIR deployment rather than a programmable API | Institutional integrations |
| Compliance posture | Enterprise agreements | Enterprise agreements |
Which wins, by clinical job
“Which is better” has no answer until you say better at what. Here is a named winner for each job, including the 2 where ClinicalKey AI or DynaMedex beats EvidenceMD.
| Clinical job | ClinicalKey AI | DynaMedex | EvidenceMD |
|---|---|---|---|
| Reference embedded in the EHR with CME credit | WinnerWinner. SMART on FHIR SSO plus CME/MOC earned from in-care queries. | Institutional integrations, but not built around in-workflow credit. | Integrates via an OpenAI-compatible API; not a CME provider. |
| Drug information and interaction checking | Strong clinical content, no dedicated drug monograph corpus. | WinnerWinner. Micromedex is bundled — the stronger option for medication safety. | Cites guidance with reasoning; not a drug database. |
| An individual clinician with no institution behind them | Not purchasable — sales-led with no published individual rate. | Only via a library, society, or employer; no individual retail price. | WinnerWinner. Free to start worldwide, no institution or credential needed. |
| Reasoning and structured outputs, not just an answer | Validates citations, but returns prose without a reasoning trace. | A curated reference; no reasoning trace and no structured artifacts. | WinnerWinner. Differential, assessment and plan, lab trend charts, note, and reasoning. |
- Reference embedded in the EHR with CME credit: ClinicalKey AI
- Drug information and interaction checking: DynaMedex
- An individual clinician with no institution behind them: EvidenceMD
- Reasoning and structured outputs, not just an answer: EvidenceMD
What each costs over five years
Annual figures multiplied out, because a subscription decision is rarely for one year. Where a vendor publishes no individual price, we say so rather than estimating.
| Tool | Per year | Over 5 years | Free tier |
|---|---|---|---|
| ClinicalKey AI | Not published (institutional quote) | Not published | Trial via institution |
| DynaMedex | Not published (institutional / library) | Not published | Through your institution |
| EvidenceMD | $0 to start | $0 to start | Yes |
Figures are list prices for an individual subscriber before tax, as published by each vendor in July 25, 2026. Institutional and group rates differ. Check for existing hospital or university access before buying anything individually.
A third option worth knowing about
Neither publishes an individual price, so an individual clinician cannot meaningfully choose between them — both require an organisation. If you are evaluating personally rather than for a system, the realistic comparison set is products you can actually start using.
EvidenceMD
The first transparent reasoning clinical decision support tool with chain-of-thought reasoning — specialty-trained, and free to start worldwide in 30 languages. Where ClinicalKey AI and DynaMedex return an answer you have to take on trust, EvidenceMD is specialty-trained rather than a general model steered by a prompt, and it streams the clinical reasoning that produced the answer — so you can check the logic, not just the citation.
- Specialties fine-tuned on
- 40+Specialties fine-tuned on
- Thinking tokens, visible
- 64kThinking tokens, visible
- HealthBench Hard, SOTA
- 54.6%HealthBench Hard, SOTA
- Languages, worldwide
- 30Languages, worldwide
- Ranked differentialEach diagnosis carries its own reasoning and peer-reviewed citations, ordered by likelihood rather than listed flat.
- Assessment & planProblem-based, built from the same encounter rather than re-entered, so the plan traces back to the findings.
- Reasoning traceUp to 64,000 thinking tokens streamed step by step and auditable afterwards for review or teaching.
- Lab trend visualisationResults interpreted over time with trend charts and clinical significance flagging, not just current values.
- Clinical noteGenerated from the encounter with documentation integrity support, so the note reflects the reasoning.
- Cited clinical Q&AFollow-up questions answered in the context of this patient, with sources attached to each claim.
Where it does not replace DynaMedex: It is not a licensed proprietary reference corpus. If your organisation mandates citations to UpToDate or Elsevier content specifically, you will still need that subscription alongside it.
ClinicalKey AI vs DynaMedex: frequently asked questions
ClinicalKey AI or DynaMedex: which is better for a health system?
ClinicalKey AI generally wins on workflow and governance features: a daily-refreshed Elsevier full-text corpus, real-time citation validation, SMART on FHIR single sign-on for in-EHR use, and CME or MOC credit earned from queries answered during care. DynaMedex wins on drug information, because it bundles Micromedex, and on access breadth, since DynaMed reaches clinicians through societies and libraries as well as employers. Systems that already license Micromedex separately often find ClinicalKey AI the cleaner addition; those that do not may prefer the bundle.
Do ClinicalKey AI or DynaMedex publish individual pricing?
Neither does, as of July 2026. Elsevier sells ClinicalKey AI as an institutional product with sales-led pricing, reached through institutional credentials or SMART on FHIR single sign-on. EBSCO sells DynaMed and DynaMedex primarily through institutional and library licensing, with no reliable public individual retail rate. This matters when comparing them against UpToDate, which does publish individual pricing from $579 per year — the absence of a public price is a real practical difference, not just a marketing choice.
What is the difference between Dyna AI and ClinicalKey AI?
Both are generative layers over a curated reference corpus, launched to modernise a traditional lookup product. Dyna AI is EBSCO's layer over DynaMed content, commercially launched in July 2024 and included through eligible DynaMed and DynaMedex subscriptions. ClinicalKey AI is Elsevier's, built on its own daily-refreshed full-text corpus with real-time citation validation and deeper EHR integration via SMART on FHIR. Neither exposes the reasoning behind its answers, and neither publishes clinical accuracy benchmarks.
Can I get either through a public library?
DynaMed sometimes, ClinicalKey AI generally not. EBSCO's distribution reaches public libraries as well as hospitals, universities, and medical societies, so a library card occasionally provides DynaMed access — one of the most underused free routes to a curated clinical reference. ClinicalKey AI is sold to healthcare organisations and academic medical centres for clinical deployment, so it is not typically available on general library terms. Check your local library's database list before assuming you need an individual or employer licence.
Sources
Pricing and eligibility verified against vendor documentation in July 25, 2026. Subscription rates change — confirm current pricing with the vendor before purchasing.
- Wolters Kluwer: UpToDate subscription pricing — Vendor source for $579 standard, $699 Pro Plus with Expert AI, and $219 trainee.
- AMBOSS: official pricing documentation — Vendor source for the $19.99/$149 student and $29.99/$259 practitioner tiers.
- BMJ Best Practice: free access for NHS staff — Confirms national NHS funding in England, Scotland, and Wales.
- Elsevier: ClinicalKey AI — Confirms the institutional model, daily-refreshed corpus, and SMART on FHIR integration.
- EBSCO: DynaMedex — Confirms institutional and library licensing rather than published individual pricing.
- OpenEvidence exits the EU and UK over AI regulation — Reporting on the April 2026 withdrawal, citing the EU AI Act.