Auth0 vs Microsoft Entra External ID
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Auth0 is the stronger AI pick in Identity & Access Management: it has a visibility score of 17.2 versus 4.9 for Microsoft Entra External ID, and ranks ahead in 100% of the answers that name both.
Choose Auth0 if…
- You want the brand AI engines rank higher (17.2 vs 4.9)
- AI answers describe it more positively (47% vs 0% positive)
- You need SOC 2 or ISO 27001 or ISO 27018 coverage
- Developer-friendly customer identity and authentication
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 | Auth0 | Microsoft Entra External ID |
|---|---|---|
| Visibility score | 17.2% | 4.9% |
| Change vs last week | up+2.6% | down−0.6% |
| Rank in Identity & Access Management | #5 | #20 |
| Share of voice | 5.4% | 1.9% |
| Mentions this run | 17 | 6 |
| Positive in AI answers | 47% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Auth0 +3.3999999999999986pp · Microsoft Entra External ID −6.799999999999999pp over 1 weekly runs.
Engine by engine
Auth0 leads on 2 of 3 engines
Head to head in AI answers
3 engine answers name both brands
| Prompt | Engine | Auth0 | Microsoft Entra External ID |
|---|---|---|---|
| Which Identity & Access Management vendors do analysts recommend? | ChatGPT | #14 | #15 |
| Official website of the top identity and access management platform vendors | Perplexity | #3 | #8 |
| Where can I sign up for a identity and access management platform? | ChatGPT | #4 | #5 |
Features, pricing & fit
| Dimension | Auth0 | Microsoft Entra External ID |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $35 / mo | — |
| Free plan | Yes | — |
| Deployment | Cloud (multi-tenant public cloud) or private cloud | Cloud (SaaS) |
| Compliance | SOC 2, ISO 27001, ISO 27018 | — |
| Support | Community forum, Standard support, Premier support, 24/7 support | — |
| Founded | 2013 | — |
| Headquarters | Bellevue, WA, United States | Redmond, WA, United States |
| Employees | — | 5,000+ |
| Funding | Series D · $332M raised | — |
| Best for | Development teams adding login, SSO and authorization to B2C apps, B2B SaaS and AI agents | Organizations building customer-facing or partner-facing sign-in on Microsoft's cloud, including new projects that would previously have used Azure AD B2C. |
Plans side by side
Auth0
Microsoft Entra External ID
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Auth0
- Developer-friendly customer identity and authentication
- Strong, customizable CIAM for customer-facing applications
- Default favorite for developer-centric consumer identity
- Published plan tiers and pricing with clear limits
- Free tier for getting started
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, “Auth0 vs Microsoft Entra External ID”, https://slateindex.ai/compare/auth0-vs-microsoft-entra-external-id, data of Nov 3, 2026. Licence: CC BY 4.0.