Auth0 vs Clerk

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Auth0 is the stronger AI pick in Identity & Access Management: it has a visibility score of 17.2 versus 3.1 for Clerk, and ranks ahead in 75% of the answers that name both.

Choose Auth0 if…

You want the brand AI engines rank higher (17.2 vs 3.1)
You need SOC 2 or ISO 27001 or ISO 27018 coverage
Developer-friendly customer identity and authentication
Strong, customizable CIAM for customer-facing applications

Choose Clerk if…

You want a lower entry price ($25 vs $35)
AI answers describe it more positively (56% vs 47% positive)
You need SOC 2 Type 2 or HIPAA or GDPR (EU-U.S. Data Privacy Framework) or CCPA coverage
Free user management up to 1,000,000 MAUs

AI visibility side by side

Latest weekly run · Nov 3

Metric	Auth0	Clerk
Visibility score	17.2%	3.1%
Change vs last week	up+2.6%	up+1.6%
Rank in Identity & Access Management	#5	#22
Share of voice	5.4%	1.3%
Mentions this run	17	4
Positive in AI answers	47%	56%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Auth0 +3.3999999999999986pp · Clerk +0.6000000000000001pp over 1 weekly runs.

Engine by engine

Auth0 leads on 3 of 3 engines

ChatGPT

11.4%

1.1%

AI Mode

18.9%

3.7%

Perplexity

15.6%

2.4%

Auth0Clerk

Head to head in AI answers

4 engine answers name both brands

3Auth0 ranked higher

1Clerk ranked higher

Prompt	Engine	Auth0	Clerk
Top identity and access management platform options for B2B SaaS companies	ChatGPT	#4	#8
Top identity and access management platform options for B2B SaaS companies	AI Mode	#5	#4
Top identity and access management platform options for B2B SaaS companies	Perplexity	#2	#6
Best identity and access management platform for startups	Perplexity	#2	#7

Features, pricing & fit

Dimension	Auth0	Clerk
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $35 / mo	Free; paid from $25 / mo
Free plan	Yes	Yes
Deployment	Cloud (multi-tenant public cloud) or private cloud	Cloud (SaaS)
Compliance	SOC 2, ISO 27001, ISO 27018	SOC 2 Type 2, HIPAA, GDPR (EU-U.S. Data Privacy Framework), CCPA
Support	Community forum, Standard support, Premier support, 24/7 support	Community Discord, Email support, Priority support, Dedicated technical account manager
Founded	2013	2019
Headquarters	Bellevue, WA, United States	San Francisco, CA, United States
Employees	—	51–200
Funding	Series D · $332M raised	Series C · $101M raised
Best for	Development teams adding login, SSO and authorization to B2C apps, B2B SaaS and AI agents	Developers building React and Next.js apps who want prebuilt auth and user management, including B2B SaaS needing organizations and SSO