FusionAuth vs Microsoft Entra External ID
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Microsoft Entra External ID is the stronger AI pick in Identity & Access Management: it has a visibility score of 4.9 versus 1 for FusionAuth.
Choose FusionAuth if…
- AI answers describe it more positively (100% vs 0% positive)
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or ISO 27001 or HIPAA BAA available or GDPR coverage
- Clear public pricing tiers
Choose Microsoft Entra External ID if…
- You want the brand AI engines rank higher (4.9 vs 1)
- You prefer a larger, established vendor (5,000+ employees)
- Customer and external-user identity integrated with Microsoft's ecosystem
AI visibility side by side
Latest weekly run · Nov 3
| Metric | FusionAuth | Microsoft Entra External ID |
|---|---|---|
| Visibility score | 1% | 4.9% |
| Change vs last week | up+1% | down−0.6% |
| Rank in Identity & Access Management | #29 | #20 |
| Share of voice | 0.4% | 1.9% |
| Mentions this run | 1 | 6 |
| Positive in AI answers | 100% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
FusionAuth +0.6pp · Microsoft Entra External ID −6.799999999999999pp over 1 weekly runs.
Engine by engine
Microsoft Entra External ID leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | FusionAuth | Microsoft Entra External ID |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $162 / mo | — |
| Free plan | Yes | — |
| Deployment | Self-hosted, on-premises, hybrid, air-gapped, or FusionAuth Cloud (dedicated hosting) | Cloud (SaaS) |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA BAA available, GDPR | — |
| Support | Community forums and GitHub, Email support, 24/7 email and phone support, Private Slack channel | — |
| Founded | 2009 | — |
| Headquarters | Broomfield, CO, United States | Redmond, WA, United States |
| Employees | 51–200 | 5,000+ |
| Funding | Growth (led by Updata Partners) · $65M raised | — |
| Best for | Developer and engineering teams that need customer authentication they can self-host or run on dedicated infrastructure. | 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
FusionAuth
Microsoft Entra External ID
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
FusionAuth
- Clear public pricing tiers
- Fully featured open-source self-hosted option
- No forced enterprise sales
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, “FusionAuth vs Microsoft Entra External ID”, https://slateindex.ai/compare/fusionauth-vs-microsoft-entra-external-id, data of Nov 3, 2026. Licence: CC BY 4.0.