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Index › IT › Identity and access › CIAM › Kinde vs FusionAuth
Customer identity and access management · November 2026 Edition

Kinde vs FusionAuth

One of fourteen models named Kinde first on the direct prompt; zero named FusionAuth. Kinde was named by nine of the fourteen models and FusionAuth by eight and Kinde carries 10 labels and FusionAuth 14, so the shares are not directly comparable.

Kinde

accepted challenger

Named in one category this edition.

FusionAuth

accepted challenger

Named in two categories this edition.

First-choice share8%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 16; printed, not drawn.
Labels1014A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Kinde reading right to left. Rank and label count are printed, not drawn.Frontegg was named alongside these two in twelve of the fourteen direct answers. Auth0 vs Kinde · Auth0 vs FusionAuth · WorkOS AuthKit vs Kinde

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.
KindeFirst choices, of fourteen modelsFusionAuth
Direct10
Paraphrase00
Comparative00
Budget-constrained33
Scale-constrained00
Negative00
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 Kinde and FusionAuth stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
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
Kinde FusionAuth first choice named as an alternative argued againstblank: not namedEach cell is one answer, Kinde on the left and FusionAuth on the right.

The direct prompt

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

Kinde first, FusionAuth not the choice

1 of 14 modelsFusionAuth was named in the answer but not as the choice, or not at all.
Muse Glimmer 30BKinde, WorkOS AuthKit alternatives: Auth0, Frontegg, Okta, OneLogin

Neither was the first choice, one was named

2 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Perplexity SonarAuth0 alternatives: Amazon Cognito, Frontegg, FusionAuth, Microsoft Entra External ID, WorkOS AuthKit
DeepSeek V4 FlashFrontegg alternatives: Descope, Kinde, WorkOS AuthKit

Neither was named

11 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Auth0 alternatives: Frontegg, OneLogin, The OneWelcome Identity Platform
GPT-5.4 miniAuth0 alternatives: Frontegg, Ping Identity
Gemini 3.5 FlashWorkOS AuthKit alternatives: Clerk, Descope, Frontegg, Stytch
Grok 4.20WorkOS AuthKit alternatives: Auth0, Frontegg, Stytch
Mistral SmallAuth0 alternatives: Frontegg, Microsoft Entra External ID
Llama 4 MaverickAuth0 alternatives: IBM Verify, Microsoft Entra External ID, Ping Identity, WSO2 Identity Server, WorkOS AuthKit
Qwen 3.7 FlashFrontegg alternatives: Auth0, Descope, Microsoft Entra External ID, Stytch
Kimi K2WorkOS AuthKit alternatives: Frontegg, Stytch
GLM 4.7 FlashXAuth0 alternatives: Amazon Cognito, Descope, Frontegg, Microsoft Entra External ID, Ping Identity, SSOJet, Stytch, Transmit Security
MiniMax M2.5OneLogin alternatives: Frontegg, LoginRadius, SSOJet
GPT-6 LunaWorkOS AuthKit alternatives: Auth0, 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
Kinde leads by twelve points.
Kinde16%#3 of 15
FusionAuth3%#7 of 15
The full small business standing →
Mid-marketThe figures above
Kinde leads by two points.
Kinde8%#4 of 16
FusionAuth6%#5 of 16
The full mid-market standing →
Enterprise
The order flips: FusionAuth leads at enterprise.
FusionAuth11%#– of 13
Kinde0%#– of 13
The full enterprise standing →

What the models said about Kinde

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

“For a company with limited budget, Kinde or miniOrange CIAM are excellent starting points due to their free tiers.” MiniMax M2.5 · budget prompt · first choice
“The best customer identity platform for a company with a limited budget is Kinde” Llama 4 Maverick · budget prompt · first choice
“start with Kinde or miniOrange CIAM for their free or low-cost plans” Mistral Small · budget prompt · first choice

What the models said about FusionAuth

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

“For the most budget-conscious approach, FusionAuth and Keycloak stand out because they offer free self-hosted options with no per-user fees.” Claude Haiku 4.5 · budget prompt · first choice
“For most companies with a limited budget, I'd recommend starting with FusionAuth's free Community Edition” DeepSeek V4 Flash · budget prompt · first choice
“Best balance of cost + features: FusionAuth” GPT-5.4 mini · budget prompt · first choice
Also compared
Auth0 vs KindeAuth0 vs FusionAuthWorkOS AuthKit vs KindeWorkOS AuthKit vs FusionAuthFrontegg vs KindeFrontegg vs FusionAuthKinde vs ClerkKinde vs KeycloakKinde vs Firebase AuthenticationFusionAuth vs ClerkFusionAuth vs KeycloakFusionAuth vs Firebase AuthenticationAll twenty-eight head-to-head pages and the full CIAM standing

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.