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Head-to-head · AI Clinical Decision Support Software

ClinicalKey AI vs OpenEvidence

  • Updated Nov 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score ClinicalKey AI #2 in AI Clinical Decision Support Software 9.0/10 90-day trial Free trial✓ 2 of 6 features Visit ClinicalKey AI
OpenEvidence #4 in AI Clinical Decision Support Software 8.6/10 Free plan Free plan✓ 0 of 6 features Visit OpenEvidence

ClinicalKey AI leads on 0 checks, OpenEvidence on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreClinicalKey AI · 9.0/10
  • Free planonly OpenEvidence
  • Free trialonly ClinicalKey AI
  • Most featuresClinicalKey AI · 2 of 6

ClinicalKey AI scores higher on our rubric for ai clinical decision support software: 9.0 against 8.6 out of 10; our editors rank them #2 and #4.

OpenEvidence offers free plan; ClinicalKey AI doesn't.

ClinicalKey AI is the better fit for clinicians who prioritize evidence-linked answers. OpenEvidence is the better fit for clinicians seeking free, cited mobile clinical answers.

  • ClinicalKey AI fits best

    Clinicians who prioritize evidence-linked answers

  • OpenEvidence fits best

    Clinicians seeking free, cited mobile clinical answers

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Side by side

Feature ClinicalKey AI 9.0/10 Visit ↗ OpenEvidence 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #2 in AI Clinical Decision Support Software #4 in AI Clinical Decision Support Software
Best for Clinicians who prioritize evidence-linked answers Clinicians seeking free, cited mobile clinical answers
Pricing model Paid Free
Starting price $349/user/yr Free
Free plan — ✓ (best)
Free trial 90 days —
Deployment Cloud, Mobile Mobile
Platforms Web, iOS, Android iOS, Android
Compliance HIPAA, SSO/SAML SOC 2, HIPAA
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features ClinicalKey AI 2/6 · OpenEvidence 0/6
Differential diagnosis Not checked yet Not checked yet
Treatment recommendations Not checked yet Not checked yet
Drug interaction support Not checked yet Not checked yet
Clinical risk prediction Not checked yet Not checked yet
Evidence citations ✓ (best) Not checked yet
EHR integration ✓ (best) Not checked yet
Our review
Pros
  • Summarizes clinical sources with links to published evidence.
  • Can consider age, comorbidities, and medications when prompted.
  • Offers SMART on FHIR EHR access, API compatibility, and mobile apps.
  • Answers cite claims to peer-reviewed and other medical sources.
  • EvidenceGrade indicators show the strength of supporting evidence.
  • Mobile apps include Voice Mode, CME and MOC features.
Cons
  • Individual Monthly costs $39 per month.
  • EHR workflow access depends on SMART on FHIR SSO.
  • The listed support channel is documentation.
  • Access is limited to verified healthcare professionals.
  • Mobile deployment may not fit teams seeking desktop access.
  • No verified EHR integrations are described.
Our verdict

ClinicalKey AI from Elsevier is a clinical decision-support tool for clinicians seeking conversational access to medical references. Users can ask natural-language questions and follow up, receiving summarized answers linked to published…

Read the review →

OpenEvidence is a clinical decision-support and medical search platform for verified healthcare professionals. It answers clinical questions using peer-reviewed medical literature, medical journals, FDA and CDC sources, and licensed…

Read the review →
  1. ClinicalKey AIAI Clinical Decision Support Software 9.090-day trial
  2. OpenEvidenceAI Clinical Decision Support Software 8.6Free plan

Strengths and trade-offs

  • ClinicalKey AI — where it wins

    • Summarizes clinical sources with links to published evidence.
    • Can consider age, comorbidities, and medications when prompted.
    • Offers SMART on FHIR EHR access, API compatibility, and mobile apps.

    Where it doesn't

    • Individual Monthly costs $39 per month.
    • EHR workflow access depends on SMART on FHIR SSO.
    • The listed support channel is documentation.

  • OpenEvidence — where it wins

    • Answers cite claims to peer-reviewed and other medical sources.
    • EvidenceGrade indicators show the strength of supporting evidence.
    • Mobile apps include Voice Mode, CME and MOC features.

    Where it doesn't

    • Access is limited to verified healthcare professionals.
    • Mobile deployment may not fit teams seeking desktop access.
    • No verified EHR integrations are described.

ClinicalKey AI vs OpenEvidence: questions

Which is better for AI clinical decision support software, ClinicalKey AI or OpenEvidence?

ClinicalKey AI scores higher on our rubric for ai clinical decision support software: 9.0 against 8.6 out of 10; our editors rank them #2 and #4.

How do ClinicalKey AI and OpenEvidence compare?

Of the 3 checks we put side by side, ClinicalKey AI leads on none, OpenEvidence on 1, and 2 are level. Free plan only on OpenEvidence.

Do ClinicalKey AI and OpenEvidence have a free plan?

ClinicalKey AI: No. OpenEvidence: Yes.

More comparisons

All AI clinical decision support software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update