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Who wins Auth in AI search

Every day, we ask AI assistants ChatGPTClaudeGeminiAI OverviewClaude CodeCursorCodexOpenCode who they think is the best auth provider. Here's who they recommend.

Download data
Visibility Score Rank
1auth0.comAuth0
61%
2clerk.comClerk
60%
3supabase.comSupabase Auth
54%
4workos.comWorkOS
43%
5firebase.google.comFirebase Authentication
43%
6keycloak.orgKeycloak
30%
7okta.comOkta
22%
8aws.amazon.comAmazon Cognito
22%
9better-auth.comBetter Auth
21%
10kinde.comKinde
14%
11stytch.comStytch
12%
12supertokens.comSuperTokens
10%
13descope.comDescope
7%
14fusionauth.ioFusionAuth
6%
15authjs.devAuth.js
6%
Visibility Score
Prompt
Demand
what should i use to add two factor login to my app
i need sso and saml for enterprise customers, what should i use
best auth for a b2b saas with organizations and roles
best auth for a next.js app
what's the easiest way to add social login to my app
what's the best auth provider
i need login for my saas, what should i use
i need passkeys and magic links, what auth supports that
which auth provider scales best to millions of users
which auth provider is best for a small team where nobody knows auth well

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Recommendations by assistant
AI Overview for “best authentication provider”

The best authentication service depends on your project size, budget, and specific infrastructure needs.xano.comXano

Top Cloud & Developer-First Auth Providers

  • Auth0: Best for large enterprises and complex needs. It offers deep customization, adaptive policies, and over 8,000 integrations, but can become expensive as you scale.rippling.comRippling
  • Clerk: Best for modern web apps and rapid developer onboarding. Users on Reddit generally agree it is easy to integrate, featuring pre-built UI components and a generous free tier (up to 10,000 Monthly Active Users).reddit.comReddit
  • Firebase Authentication: Best for simple apps or projects already living within the Google Firebase ecosystem. It is fast to set up and free for basic use.reddit.comReddit
  • Supabase Auth: Best for developer-friendly and open-core projects. It integrates out-of-the-box with PostgreSQL databases and multi-provider logins.alternateoss.devaradise.comDevaradise

Top Enterprise & Workforce IAM Providers

  • Microsoft Entra ID: Best for corporate environments heavily tied into the Microsoft 365 and Azure ecosystem, offering strong single sign-on (SSO) and hybrid cloud management.gartner.comGartner
  • Cisco Duo: Best for organizations prioritizing straightforward, highly secure multi-factor authentication (MFA) without complex upgrades.gartner.comGartner+1

Top Open-Source & Self-Hosted Options

  • Keycloak: A popular, robust open-source identity and access management solution that gives you full control over your data.
  • Authentik: A rapidly growing open-source platform utilizing visual flow engines for complex authentication pipelines.hasura.ioHasura+2

To help narrow down the best choice, tell me:

  • Are you building a customer-facing app (SaaS/MVP) or managing internal employee access (IT/Enterprise)?
  • Do you prefer a managed cloud service or a self-hosted open-source tool?
Cited sources
clerk.comclerk.com41%
workos.comworkos.com37%
reddit.comreddit.com29%
auth0.comauth0.com28%
supabase.comsupabase.com22%
kinde.comkinde.com19%
github.comgithub.com18%
dev.todev.to18%

What AI says about

“best auth for an ai app where agents act on behalf of users”
Auth0: Best broad default if you need consumer login, enterprise identity, third-party integrations, token vaulting, fine-grained RAG authorization, and human-in-the-loop approvals.
CodexSep 30
“which auth provider scales best to millions of users”
Best for enterprise identity and polished features: Auth0 Enterprise—especially if you need complex SSO, SCIM, compliance, private deployment, high-touch support, or a 99.99% SLA.
CodexSep 29
“which auth provider has the best free tier”
Auth0 — Best for enterprise features. While it has a smaller 25,000 MAU free tier, it includes enterprise SSO, SAML, SCIM, and OIDC—features others charge extra for.
Claude CodeSep 30
“what should i use for auth in a react native app”
If you are building an enterprise app or a B2B product that requires complex multi-tenant setups, SAML, and corporate single sign-on (SSO), Auth0 is the industry standard.
GeminiSep 30
“what's the best auth provider”
Auth0 (by Okta): Best for large enterprises needing advanced multi-factor authentication (MFA), deep customizability, and complex cross-app Single Sign-On (SSO).
AI OverviewSep 29
“i need sso and saml for enterprise customers, what should i use”
Auth0 (owned by Okta since 2021) is excellent if you're a B2B SaaS company—it's designed for both your internal needs and customer-facing SSO.
Claude CodeSep 29
“what's the best auth provider”
Auth0 excels with deep B2B organizations, SAML/OIDC support, and extensive customization via its Rules engine.
Claude CodeSep 30
“i need login for my saas, what should i use”
For maximum enterprise compliance: Auth0 — the market leader with 20.4% mindshare. More setup required but deepest feature set for SSO and compliance requirements. Free tier covers ~7,500 MAU.
Claude CodeSep 30
“should i build auth myself or use a service”
Auth0 — Best for enterprise breadth and compliance
Claude CodeSep 30
ChatGPTClaudeGeminiAI OverviewClaude CodeCursorCodexOpenCode

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