Keycloak vs Microsoft Entra External ID
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Keycloak is the stronger AI pick in Identity & Access Management: it has a visibility score of 5.6 versus 4.9 for Microsoft Entra External ID, and ranks ahead in 100% of the answers that name both.
Choose Keycloak if…
- You want the brand AI engines rank higher (5.6 vs 4.9)
- AI answers describe it more positively (33% vs 0% positive)
- Free and open-source software
- Strong flexibility and customization for technical teams
Choose Microsoft Entra External ID if…
- Customer and external-user identity integrated with Microsoft's ecosystem
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Keycloak | Microsoft Entra External ID |
|---|---|---|
| Visibility score | 5.6% | 4.9% |
| Change vs last week | down−0.3% | down−0.6% |
| Rank in Identity & Access Management | #15 | #20 |
| Share of voice | 2.1% | 1.9% |
| Mentions this run | 7 | 6 |
| Positive in AI answers | 33% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Keycloak −0.7000000000000002pp · Microsoft Entra External ID −6.799999999999999pp over 1 weekly runs.
Engine by engine
Keycloak leads on 1 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | Keycloak | Microsoft Entra External ID |
|---|---|---|---|
| Is there a free identity and access management platform for small teams? | ChatGPT | #2 | #6 |
Features, pricing & fit
| Dimension | Keycloak | Microsoft Entra External ID |
|---|---|---|
| Deployment | Self-hosted; ships as a single lightweight container image, with clustering for scalability and availability | Cloud (SaaS) |
| Support | Community support via GitHub Discussions, Commercial support via Red Hat build of Keycloak | — |
| Founded | 2014 | — |
| Headquarters | — | Redmond, WA, United States |
| Employees | — | 5,000+ |
| Best for | Teams that want to self-host standards-based single sign-on and identity brokering for their applications | Organizations building customer-facing or partner-facing sign-in on Microsoft's cloud, including new projects that would previously have used Azure AD B2C. |
Pros and cons
Themes from the AI answers that mention each brand
Keycloak
- Free and open-source software
- Strong flexibility and customization for technical teams
- Top pick as a self-hosted option
- Backed by Red Hat and community; popular open-source IAM tool
- Supports SAML, OAuth 2.0, and OpenID Connect
- Team must handle hosting, upgrades, backups, and security
- Less operational simplicity than managed alternatives
Microsoft Entra External ID
- Customer and external-user identity integrated with Microsoft's ecosystem
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “Keycloak vs Microsoft Entra External ID”, https://slateindex.ai/compare/keycloak-vs-microsoft-entra-external-id, data of Nov 3, 2026. Licence: CC BY 4.0.