IT AI Index
Index Identity and access CIAM › Auth0 vs WorkOS
Customer identity and access management · September 2026 Edition

Auth0 vs WorkOS

Five of twelve models named Auth0 first on the direct prompt; five named WorkOS. Auth0 was named by twelve of the twelve models and WorkOS by eleven and Auth0 carries 67 labels and WorkOS 30, so the shares are not directly comparable.

Auth0

accepted challenger

Named in four categories this edition.

WorkOS

accepted challenger

Named in three categories this edition.

First-choice share22%22%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate22%7%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 13; printed, not drawn.
Labels6730A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Auth0 reading right to left. Rank and label count are printed, not drawn.Frontegg was named alongside these two in ten of the twelve direct answers. Auth0 vs Frontegg · WorkOS vs Frontegg

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the customer identity and access management page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
Auth0First choices, of twelve modelsWorkOS
Direct552 against Auth0
Paraphrase552 against Auth0
Comparative60
Budget-constrained216 against Auth0 · 1 against WorkOS
Scale-constrained011 against Auth0
Negative103 against Auth0 · 1 against WorkOS
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

The direct prompt

The plain question, one answer per model, grouped by where Auth0 and WorkOS stood in it.

Auth0 first, WorkOS an alternative

5 of 12 modelsWorkOS was named in the answer but not as the choice, or not at all.
GPT-5.4 miniAuth0 alternatives: FusionAuth, WorkOS
Mistral SmallAuth0, Ping Identity alternatives: Frontegg, Tealium
Llama 4 MaverickAuth0, Frontegg, Ping Identity alternatives: Hightouch, Tealium, Twilio Segment
Qwen 3.7 FlashAuth0, Clerk alternatives: Microsoft Entra, SuperTokens
MiniMax M2.5Auth0, Frontegg

WorkOS first, Auth0 an alternative

5 of 12 modelsAuth0 was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashWorkOS alternatives: Frontegg, PropelAuth
Perplexity SonarWorkOS alternatives: Auth0, Clerk, Frontegg
Grok 4.1 FastFrontegg, WorkOS alternatives: Auth0, Descope, Microsoft Entra External ID
DeepSeek V4 FlashWorkOS alternatives: Auth0, Frontegg, Stytch
GLM 4.7 FlashXWorkOS alternatives: Auth0, Frontegg

Neither was the first choice, one was named

1 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Kimi K2Frontegg alternatives: Auth0, Stytch, WorkOS

Neither was named

1 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Frontegg alternatives: Stytch, Thales OneWelcome

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Auth0 leads by fifteen points.
Auth025%#2 of 14
WorkOS10%#4 of 14
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Auth022%#1 of 13
WorkOS22%#2 of 13
The full mid-market standing →
Enterprise
Auth0 leads by thirty-four points.
Auth047%#1 of 14
WorkOS13%#2 of 14
The full enterprise standing →

What the models said about Auth0

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“Developers report massive price increases of 300% to 1,500% on renewal” DeepSeek V4 Flash · negative prompt · hard negative
“it is generally not recommended for startups on a limited budget” Gemini 3.5 Flash · budget prompt · hard negative
“### 1. Auth0 (Okta Customer Identity Cloud) ... Pick Auth0/Olata if developer experience and speed-to-market matter most” Qwen 3.7 Flash · comparative prompt · first choice
“Offers a free tier with 25,000 monthly active users (MAUs), making it a strong choice for startups and small businesses” Mistral Small · budget prompt · first choice
“Auth0 and Ping Identity are the top recommendations due to their maturity, scalability, and broad feature sets” Mistral Small · direct prompt · first choice

What the models said about WorkOS

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“only if developer experience or enterprise-facing workflows matter enough to justify potentially higher cost or implementation overhead” Perplexity Sonar · budget prompt · soft negative
“caution if you need full customer identity lifecycle management” Perplexity Sonar · negative prompt · soft negative
“WorkOS or Scalekit: Excellent if you already have a basic auth system and specifically need to add Enterprise-ready SSO, SCIM provisioning, and organization management.” Gemini 3.5 Flash · scale prompt · first choice
“Auth0 and WorkOS are the most recommended due to their B2B focus, ease of integration, and scalability” Mistral Small · paraphrase prompt · first choice
“WorkOS has become the industry standard for B2B products aiming to sell to enterprise customers.” Gemini 3.5 Flash · paraphrase prompt · first choice
Also compared

Comparisons are drawn for the top three products in each category. The output is the models' output; nothing here is a recommendation by the index.