# Clerk vs LoginRadius: which do AI models recommend for CIAM, October 2026

IT AI Recommendation Index, October 2026 Edition, Customer identity and access management. Three of fourteen models named Clerk first on the direct prompt; four named LoginRadius. Page: https://it-ai-index.com/identity/customer-identity-and-access-management/clerk-vs-loginradius/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Clerk | 18% | #3 of 14 | 3% | 31 | 12 of 14 |
| LoginRadius | 12% | #4 of 14 | 5% | 22 | 10 of 14 |

## The direct prompt, model by model

- Qwen 3.7 Flash: clerk first (first choices: Auth0, Clerk) (alternatives: Microsoft Entra ID)
- Kimi K2: clerk first (first choices: Clerk, Frontegg) (alternatives: FusionAuth, WorkOS)
- MiniMax M2.5: clerk first (first choices: Auth0, Clerk) (alternatives: Descope, LoginRadius)
- Perplexity Sonar: loginradius first (first choices: LoginRadius) (alternatives: Clerk, Frontegg, Microsoft Entra External ID)
- Mistral Small: loginradius first (first choices: LoginRadius) (alternatives: Thales OneWelcome)
- Llama 4 Maverick: loginradius first (first choices: LoginRadius) (alternatives: Clerk, OneWelcome Identity Platform)
- Muse Glimmer 30B: loginradius first (first choices: Frontegg, LoginRadius) (alternatives: Auth0, Ping Identity)
- Gemini 3.5 Flash: neither first, one named (first choices: WorkOS) (alternatives: Clerk, Frontegg, Kinde)
- Grok 4.1 Fast: neither first, one named (first choices: Auth0) (alternatives: Clerk, Frontegg, FusionAuth, Microsoft Entra External ID, Stytch, WorkOS)
- DeepSeek V4 Flash: neither first, one named (first choices: Auth0, Frontegg) (alternatives: Clerk, Microsoft Entra External ID, Stytch)
- GLM 4.7 FlashX: neither first, one named (first choices: Auth0) (alternatives: Clerk, Descope, LoginRadius, Microsoft Entra External ID)
- Claude Haiku 4.5: neither named (first choices: Descope, Frontegg) (alternatives: OneWelcome Identity Platform, SSOJet, WorkOS)
- GPT-5.4 mini: neither named (first choices: Frontegg) (alternatives: Auth0/Okta Customer Identity Cloud, FusionAuth, Okta)
- GPT-6 Luna: neither named (first choices: WorkOS AuthKit) (alternatives: Auth0, Microsoft Entra External ID, Stytch)

## What the models said about Clerk

- "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

- "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)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.