Vantage research · November 2026 · Developer tools
What AI cites for “best authentication service for web apps”
ChatGPT cited 10 sites, Gemini cited 9 sites, Perplexity cited 10 sites. No site was cited by all three.
Updated monthlyNext edition 1 December 2026
ChatGPTGeminiPerplexity dots beside a site: the other engines that cite it too
ChatGPT
10 sites · opens with a sentence · has a table · opening 7 words
- clerk.com
- auth0.com
- supabase.com
- workos.com
- better-auth.com
- firebase.google.com
- techplained.com
- designrevision.com
- clirank.dev
- casdoor.com
Brands namedClerk, Auth0, Supabase Auth, WorkOS, Better Auth, Firebase Authentication, Supabase, Firebase
Gemini
9 sites · opens with a sentence · no table · opening 28 words
- mojoauth.com
- cybersecuritynews.com
- miniorange.com
- xano.com
- kinde.com
- apiscout.dev
- supertokens.com
- clerk.com
- startwithidentity.com
Brands namedClerk, Auth0, Firebase Authentication, Supabase Auth
Perplexity
10 sites · opens with a sentence · has a table · opening 28 words
- modelsagree.com
- wmtips.com
- mojoauth.com
- cyberpress.org
- github.com
- descope.com
- kinde.com
- docs.cloud.google.com
- xano.com
- stytch.com
Brands namedClerk
Cited by more than one engine
- clerk.com
- mojoauth.com
- xano.com
- kinde.com
Is your site one of them?
Ask your AI agent to run Vantage's analyze_citation_coverage for your domain and “best authentication service for web apps”, on all
three engines, and it will tell you whether you are cited, who is instead, and what changed since your last check.
More Developer tools questions
Each engine was asked once, in English, as from the United States, on 2026-11-01. Answers change from run to run, so read this as a snapshot. Download the data.