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Index › Identity and access › CIAM › Clerk vs LoginRadius
Customer identity and access management · October 2026 Edition

Clerk vs LoginRadius

Three of fourteen models named Clerk first on the direct prompt; four named LoginRadius. Clerk was named by twelve of the fourteen models and LoginRadius by ten and Clerk carries 31 labels and LoginRadius 22, so the shares are not directly comparable.

Clerk

accepted challenger

Named in two categories this edition.

LoginRadius

accepted challenger

Named in one category this edition.

First-choice share18%12%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate3%5%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 14; printed, not drawn.
Labels3122A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Clerk reading right to left. Rank and label count are printed, not drawn.Frontegg was named alongside these two in eight of the fourteen direct answers. Frontegg vs Clerk · Frontegg vs LoginRadius · Auth0 vs Clerk

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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 fourteen models made each the first choice, per way of asking, and how many argued against it.
ClerkFirst choices, of fourteen modelsLoginRadius
Direct34
Paraphrase22
Comparative00
Budget-constrained501 against Clerk
Scale-constrained01
Negative001 against LoginRadius
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Clerk and LoginRadius stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Clerk LoginRadius first choice named as an alternative argued againstblank: not namedEach cell is one answer, Clerk on the left and LoginRadius on the right.

The direct prompt

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

Clerk first, LoginRadius an alternative

3 of 14 modelsLoginRadius was named in the answer but not as the choice, or not at all.
Qwen 3.7 FlashAuth0, Clerk alternatives: Microsoft Entra ID
Kimi K2Clerk, Frontegg alternatives: FusionAuth, WorkOS
MiniMax M2.5Auth0, Clerk alternatives: Descope, LoginRadius

LoginRadius first, Clerk an alternative

4 of 14 modelsClerk was named in the answer but not as the choice, or not at all.
Perplexity SonarLoginRadius alternatives: Clerk, Frontegg, Microsoft Entra External ID
Mistral SmallLoginRadius alternatives: Thales OneWelcome
Llama 4 MaverickLoginRadius alternatives: Clerk, OneWelcome Identity Platform
Muse Glimmer 30BFrontegg, LoginRadius alternatives: Auth0, Ping Identity

Neither was the first choice, one was named

4 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashWorkOS alternatives: Clerk, Frontegg, Kinde
Grok 4.1 FastAuth0 alternatives: Clerk, Frontegg, FusionAuth, Microsoft Entra External ID, Stytch, WorkOS
DeepSeek V4 FlashAuth0, Frontegg alternatives: Clerk, Microsoft Entra External ID, Stytch
GLM 4.7 FlashXAuth0 alternatives: Clerk, Descope, LoginRadius, Microsoft Entra External ID

Neither was named

3 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Descope, Frontegg alternatives: OneWelcome Identity Platform, SSOJet, WorkOS
GPT-5.4 miniFrontegg alternatives: Auth0/Okta Customer Identity Cloud, FusionAuth, Okta
GPT-6 LunaWorkOS AuthKit alternatives: Auth0, Microsoft Entra External ID, Stytch

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
Clerk leads by thirty points.
Clerk30%#1 of 14
LoginRadius0%#12 of 14
The full small business standing →
Mid-marketThe figures above
Clerk leads by five points.
Clerk18%#3 of 14
LoginRadius12%#4 of 14
The full mid-market standing →
Enterprise
The order flips: LoginRadius leads at enterprise.
LoginRadius2%#6 of 12
Clerk0%#– of 12
The full enterprise standing →

What the models said about Clerk

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

“Choose Clerk only if you are a startup ... not necessarily the cheapest long-term option” Perplexity Sonar · budget prompt · soft negative
“For most companies with limited budgets, Clerk's free tier or self-hosted Keycloak are the two best choices” DeepSeek V4 Flash · budget prompt · first choice
“Clerk is my pick for a small team that wants to keep costs low without building much authentication infrastructure.” GPT-6 Luna · budget prompt · first choice
“Frontegg and Clerk are particularly well-suited due to their B2B-focused features and ease of integration” Mistral Small · paraphrase prompt · first choice

What the models said about LoginRadius

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

“Organizations give up some features and control ... there aren't many connectors for third-party fraud prevention features” Claude Haiku 4.5 · negative prompt · soft negative
“Prioritize platforms with strong mid-market fit like LoginRadius (simplicity) or FusionAuth (cost-effective self-hosting).” Grok 4.1 Fast · scale prompt · first choice
“LoginRadius is the managed-simplicity pick for mid-market teams that want CIAM without heavy engineering.” Muse Glimmer 30B · direct prompt · first choice
“LoginRadius is frequently highlighted as the best customer identity platform for mid-market B2B companies” Mistral Small · direct prompt · first choice
Also compared

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