Auth0 vs Ory Kratos
On the evidence we track, Auth0 leads this comparison with a composite score of 82/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Features
The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.
| Feature | Auth0 | Ory Kratos |
|---|---|---|
| B2b multi tenant | ✓ | - |
| Hosted ui | both | - |
| Hosting | cloud | - |
| Mfa | ✓ | - |
| Oidc | ✓ | - |
| Open source | ✗ | - |
| Passkeys webauthn | ✓ | - |
| Passwordless | ✓ | - |
| Rbac | ✓ | - |
| Saml sso | ✓ | - |
| Scim provisioning | ✓ | - |
| Social login | ✓ | - |
What each one is
The product in its own terms, so the numbers below have context.
Auth0
LeaderAuth0 provides authentication, authorization, and identity management services for applications. It supports multiple authentication methods, including passwordless login, social connections, and enterprise federation, with built-in security features like fraud detection and compliance controls.
Ory Kratos
A flexible, deployable identity and user management solution that operates through APIs and can run cloud-native, self-hosted, or fully managed. Provides authentication, authorization, and compliance-ready infrastructure.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Auth0
LeaderFree tier for up to 25,000 MAU; Professional plans customizable from 1,000+ MAU; Enterprise plans with 99.99% SLA; Free Startup program for one year
- FreeFree
- Passwordless Authentication
- Unlimited Social Connections
- 1 Enterprise Connection
- Self-Service SSO
- Pro Multi-Factor Authentication
- +1 more
- Professional-
- EnterpriseContact sales
- Enterprise Multi-Factor Authentication
- Custom User & SSO Tiers
- Enterprise Administration & Support
- 99.99% SLA
- Enterprise add-ons
- StartupFree
- Enterprise Identity Providers
- Pro MFA & Password Protection
- SSO for Auth0 Dashboard
- $5,000 AWS credits
Ory Kratos
Free tier for testing. Usage-based production and enterprise tiers with lower rates at higher volumes.
- FreeFree
- Production$0.14 per aDAU + $0.01 per M2M Token + $0.00 per Permission Check
- EnterpriseContact sales
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Okta
- OneTrust
Auth0
Leader- Datadog
- Splunk
- AWS
- Azure
- Slack
- Segment
- Salesforce
- Tealium
- Web3Auth
- Spruce ID
- Unstoppable Domains
- Dock.io
- Ethereum Name Service
- NFT services
- DataGuard
- login.xyz
- Ethereum Name System
- MCP (Model Context Protocol)
Ory Kratos
- Microsoft Entra ID
- Google Workspace
- Didomi
- Osano
- PostHog
- OAuth 2.0
- OpenID Connect
- SAML
- SCIM
Auth0 or Ory Kratos: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.