# Auth0 vs Keycloak

**Leader by vioscaleAI score:** Auth0

| Attribute | Auth0 | Keycloak |
|---|---|---|
| **vioscaleAI score** | 81.8 (72% (medium)) | 65.4 (46% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 678 |
| adoption.github_stars | - | 37,140 |
| adoption.package_downloads_weekly | - | 998,112 |
| content.faq | `[{"answer":"A platform providing identity authentication, authorization, and access management services for applications, supporting passwordless login, social authentication, enterprise SSO, multi-factor authentication, and fine-grained access control for users and AI agents. It is indexed under Auth & Identity Software.","source":"https://auth0.com/pricing","question":"What is Auth0?","confidence":0.6},{"answer":"Auth0 offers a free tier, so you can start without paying. Paid plans are also available: Free, Professional, Enterprise and Startup. Pricing changes often, so verify at source before relying on it.","source":"https://auth0.com/pricing","question":"Is Auth0 free?","confidence":0.6},{"answer":"Auth0 supports the web, macOS, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://auth0.com/pricing","question":"What platforms does Auth0 support?","confidence":0.6},{"answer":"Yes. Auth0 can be deployed cloud / SaaS, hybrid and on-premise, so it does not have to run on the vendor's infrastructure.","source":"https://auth0.com/pricing","question":"Can Auth0 be self-hosted?","confidence":0.6},{"answer":"We have confirmed 20 integrations for Auth0, including Datadog, Splunk, AWS, Azure, Slack, Segment, Salesforce and Tealium, plus 12 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://auth0.com/pricing","question":"What does Auth0 integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Auth0. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Auth0 not holding them. Always confirm compliance directly before you rely on it.","source":"https://auth0.com/security","question":"What security certifications does Auth0 have?","confidence":0.7}]` | `[{"answer":"Centralized authentication and authorization platform that manages user identity and access control across applications, reducing the need for individual apps to build their own login systems. It is indexed under Auth & Identity Software.","source":"https://www.keycloak.org","question":"What is Keycloak?","confidence":0.6},{"answer":"Keycloak is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.keycloak.org","question":"Is Keycloak free to use?","confidence":0.6},{"answer":"Keycloak supports the web, Windows, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.keycloak.org","question":"What platforms does Keycloak support?","confidence":0.6},{"answer":"Yes. Keycloak can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.keycloak.org","question":"Can Keycloak be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for Keycloak, including GitHub, Google, Facebook, Twitter, LDAP, Active Directory, Kerberos and Kubernetes, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.keycloak.org","question":"What does Keycloak integrate with?","confidence":0.6},{"answer":"Yes. Keycloak is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/keycloak/keycloak","question":"Is Keycloak open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Auth0 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. | An open-source identity management solution that allows users to authenticate once and gain access to multiple applications, eliminating the need for individual login handling at the application level. |
| features.capabilities | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"cloud","saml_sso":true,"hosted_ui":"both","open_source":false,"passwordless":true,"social_login":true,"b2b_multi_tenant":true,"passkeys_webauthn":true,"scim_provisioning":true}` | `{"mfa":true,"oidc":true,"rbac":true,"hosting":"both","saml_sso":true,"hosted_ui":"both","open_source":true,"passwordless":true,"social_login":true,"b2b_multi_tenant":true,"passkeys_webauthn":true,"scim_provisioning":true}` |
| integrations.count | 4 | 8 |
| integrations.list | `[{"name":"Datadog"},{"name":"Splunk"},{"name":"AWS"},{"name":"Azure"},{"name":"Slack"},{"name":"Segment"},{"name":"Salesforce"},{"name":"Tealium"},{"name":"Web3Auth"},{"name":"Spruce ID"},{"name":"Unstoppable Domains"},{"name":"Dock.io"},{"name":"Ethereum Name Service"},{"name":"NFT services"},{"name":"Okta","category":"identity"},{"name":"DataGuard","category":"privacy"},{"name":"OneTrust","category":"privacy"},{"name":"login.xyz","category":"web3"},{"name":"Ethereum Name System","category":"web3"},{"name":"MCP (Model Context Protocol)","native":true,"category":"ai","direction":"bidirectional"}]` | `[{"name":"GitHub"},{"name":"Google"},{"name":"Facebook"},{"name":"Twitter"},{"name":"LDAP"},{"name":"Active Directory"},{"name":"Kerberos"},{"name":"Kubernetes"},{"name":"Apache APISIX"},{"name":"OpenTelemetry"},{"name":"OpenID Connect","native":true},{"name":"SAML 2.0","native":true}]` |
| language.primary | - | Java |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":true,"windows":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Free","features":["Passwordless Authentication","Unlimited Social Connections","1 Enterprise Connection","Self-Service SSO","Pro Multi-Factor Authentication","Role-based Access Control Per Organization"],"description":"Up to 25,000 monthly active users with core features","contactSales":false,"includedLimits":{"monthly_active_users":"25,000"}},{"free":false,"name":"Professional","description":"Customizable monthly active users from 1,000 to 100,000 or more","contactSales":false},{"free":false,"name":"Enterprise","features":["Enterprise Multi-Factor Authentication","Custom User & SSO Tiers","Enterprise Administration & Support","99.99% SLA","Enterprise add-ons"],"description":"Custom user and SSO tiers for enterprises requiring scale and dedicated support","contactSales":true},{"free":true,"name":"Startup","features":["Enterprise Identity Providers","Pro MFA & Password Protection","SSO for Auth0 Dashboard","$5,000 AWS credits"],"description":"Free for one year with 100,000 monthly active users and advanced features","contactSales":false,"includedLimits":{"aws_credits":"5000","monthly_active_users":"100,000"}}],"summary":"Free 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","freeTier":true,"sourceUrl":"https://auth0.com/pricing","retrievedAt":"2026-09-07T16:08:01.808Z","freeTrialDays":22}` | `{"type":"open_source","sourceUrl":"https://www.keycloak.org","retrievedAt":"2026-09-07T13:10:46.299Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | - | 13 |
| release.history | - | `[{"url":"https://github.com/keycloak/keycloak/releases/tag/nightly","date":"2022-09-27T02:22:00Z","type":"prerelease","version":"nightly"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.8.0","date":"2026-10-01T05:57:20Z","type":"stable","version":"26.8.0"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.5","date":"2026-09-30T17:44:19Z","type":"stable","version":"26.7.5"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.4","date":"2026-09-16T14:44:06Z","type":"stable","version":"26.7.4"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.3","date":"2026-08-31T09:29:37Z","type":"stable","version":"26.7.3"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.2","date":"2026-08-19T05:26:20Z","type":"stable","version":"26.7.2"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.1","date":"2026-08-05T15:54:37Z","type":"stable","version":"26.7.1"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.7.0","date":"2026-07-09T06:58:13Z","type":"stable","version":"26.7.0"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.6.4","date":"2026-06-26T19:19:51Z","type":"stable","version":"26.6.4"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.6.3","date":"2026-06-04T17:00:13Z","type":"stable","version":"26.6.3"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.6.2","date":"2026-05-19T12:41:03Z","type":"stable","version":"26.6.2"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.6.1","date":"2026-04-15T13:58:02Z","type":"stable","version":"26.6.1"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.6.0","date":"2026-04-08T08:54:19Z","type":"stable","version":"26.6.0"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.7","date":"2026-04-02T14:47:13Z","type":"stable","version":"26.5.7"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.6","date":"2026-03-19T06:45:39Z","type":"stable","version":"26.5.6"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.5","date":"2026-03-05T15:40:30Z","type":"stable","version":"26.5.5"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.4","date":"2026-02-20T09:19:45Z","type":"stable","version":"26.5.4"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.3","date":"2026-02-10T07:30:08Z","type":"stable","version":"26.5.3"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.2","date":"2026-01-23T14:26:58Z","type":"stable","version":"26.5.2"},{"url":"https://github.com/keycloak/keycloak/releases/tag/26.5.1","date":"2026-01-14T18:09:13Z","type":"stable","version":"26.5.1"}]` |
| reliability.sla_pct | 99.99 | - |
| reliability.status_page | yes | - |
| security.certifications | `[{"name":"HIPAA BAA","status":"active"},{"name":"PCI Compliance","status":"active"}]` | - |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 9.3 |
| security.soc2 | yes | - |
| security.trust_center | https://auth0.com/security | https://www.keycloak.org/security |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.keycloak%3Akeycloak-server-spi&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Auth & Identity Software)

| Capability | Auth0 | Keycloak |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Methods** |  |  |
| Social login | ✓ | ✓ |
| Passwordless | ✓ | ✓ |
| Passkeys / WebAuthn | ✓ | ✓ |
| Multi-factor auth | ✓ | ✓ |
| **Enterprise** |  |  |
| SAML SSO | ✓ | ✓ |
| SCIM provisioning | ✓ | ✓ |
| B2B / multi-tenancy | ✓ | ✓ |
| **Standards** |  |  |
| OpenID Connect provider | ✓ | ✓ |
| **Delivery** |  |  |
| Hosted UI | Both | Both |
| **Access** |  |  |
| RBAC | ✓ | ✓ |
| **Licensing** |  |  |
| Self-hostable OSS core | ✗ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:17:38.417Z. "-" = undocumented, not absent.*