FusionAuthDownloadable, API-first customer identity and auth you can deploy anywhere.
vs
ZITADELIdentity infrastructure, simplified for you.
Comparison · Identity & Access Management · weekly run Nov 3
FusionAuth vs ZITADEL
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
ZITADEL is the stronger AI pick in Identity & Access Management: it has a visibility score of 1.3 versus 1 for FusionAuth.
Choose FusionAuth if…
- AI answers describe it more positively (100% vs 83% positive)
- You need ISO 27001 or HIPAA BAA available or GDPR coverage
- You prefer a larger, established vendor (51–200 employees)
- Clear public pricing tiers
Choose ZITADEL if…
- You want the brand AI engines rank higher (1.3 vs 1)
- You want a lower entry price ($100 vs $162)
- You need ISO/IEC 27001:2022 coverage
- Free cloud tier with core features like MFA and OIDC
AI visibility side by side
Latest weekly run · Nov 3
| Metric | FusionAuth | ZITADEL |
|---|---|---|
| Visibility score | 1% | 1.3% |
| Change vs last week | up+1% | up+0.5% |
| Rank in Identity & Access Management | #29 | #27 |
| Share of voice | 0.4% | 0.4% |
| Mentions this run | 1 | 1 |
| Positive in AI answers | 100% | 83% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
FusionAuth +0.6pp · ZITADEL −1.8pp over 1 weekly runs.
Engine by engine
ZITADEL leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
FusionAuthZITADEL
Head to head in AI answers
0 engine answers name both brands
0FusionAuth ranked higher
0ZITADEL ranked higher
Features, pricing & fit
| Dimension | FusionAuth | ZITADEL |
|---|---|---|
| Pricing model | Usage-based | Usage-based |
| Entry price | Free; paid from $162 / mo | Free; paid from $100 / mo |
| Free plan | Yes | Yes |
| Deployment | Self-hosted, on-premises, hybrid, air-gapped, or FusionAuth Cloud (dedicated hosting) | Cloud and self-hosted |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA BAA available, GDPR | ISO/IEC 27001:2022, SOC 2 Type II |
| Support | Community forums and GitHub, Email support, 24/7 email and phone support, Private Slack channel | Discord community, GitHub, Documentation, Technical Account Manager (Enterprise) |
| Founded | 2009 | 2020 |
| Headquarters | Broomfield, CO, United States | San Francisco, CA, United States |
| Employees | 51–200 | 11–50 |
| Funding | Growth (led by Updata Partners) · $65M raised | Series A · $16M raised |
| Best for | Developer and engineering teams that need customer authentication they can self-host or run on dedicated infrastructure. | Developers building applications that need authentication for consumers, businesses or employees, including multi-tenant B2B apps. |
Plans side by side
FusionAuth
Community$0self-hosted
Starter$162month, starting at, billed annually (1,000 MAUs)
Essentials$2,970month, starting at, billed annually (1,000 MAUs)
Enterprise$2,970month, starting at, billed annually (1,000 MAUs)
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
ZITADEL
- Free cloud tier with core features like MFA and OIDC
- Cloud-native, open-source IAM with strong multi-tenancy and audit logging
- Clear usage limits and published monthly pricing
- Good for developer-focused IAM
- Cloud-based IAM without managing infrastructure
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 98.8%·next run
Cite as: SlateIndex, “FusionAuth vs ZITADEL”, https://slateindex.ai/compare/fusionauth-vs-zitadel, data of Nov 3, 2026. Licence: CC BY 4.0.