FusionAuth vs Microsoft Entra External ID
Zero of fourteen models named FusionAuth first on the direct prompt; zero named Microsoft Entra External ID. FusionAuth was named by eleven of the fourteen models and Microsoft Entra External ID by fourteen and FusionAuth carries 22 labels and Microsoft Entra External ID 39, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
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
FusionAuthFirst choices, of fourteen modelsMicrosoft Entra External ID
Across every category in the October 2026 Edition, FusionAuth and Microsoft Entra External ID were named in the same answer nineteen times, of the 52 answers naming FusionAuth and the 97 naming Microsoft Entra External ID. In those answers Microsoft Entra External ID took the first choice two times and FusionAuth one.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| 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 | | | | |
FusionAuth Microsoft Entra External ID first choice named as an alternative argued againstblank: not namedEach cell is one answer, FusionAuth on the left and Microsoft Entra External ID on the right.The direct prompt
Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
7 of 14 modelsThe answer made no first choice from these two in this category.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
FusionAuth5%#6 of 14Microsoft Entra External ID2%#– of 14FusionAuth5%#6 of 14Microsoft Entra External ID4%#8 of 14Microsoft Entra External ID10%#2 of 12FusionAuth6%#– of 12What the models said about FusionAuth
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Lower ongoing costs but requires more ops” Kimi K2 · scale 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
“Lowest total cost (no per‑MAU fees): Keycloak or FusionAuth (self‑hosted).” GLM 4.7 FlashX · budget prompt · first choice
“Best overall for tight budgets: FusionAuth” GPT-5.4 mini · budget prompt · first choice
What the models said about Microsoft Entra External ID
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Azure AD B2C if you need a broad, flexible CIAM platform... limited to single-app external use cases... limited customization” Perplexity Sonar · negative prompt · hard negative
“Microsoft stopped selling it to new customers on May 1, 2025... Microsoft calls it a legacy solution.” GPT-6 Luna · negative prompt · hard negative
“Don't start a new project on Azure AD B2C — you'd be investing in a dead-end platform.” DeepSeek V4 Flash · negative prompt · hard negative
“Need a quick, managed CIAM with a generous free allowance and Microsoft stack: Microsoft Entra External ID – free first 50,000 MAU.” Muse Glimmer 30B · budget prompt · first choice
“the best overall fit is usually Microsoft Entra External ID ... free tier for the first 50,000 monthly active users” Perplexity Sonar · budget prompt · first choice
“If your company is already invested in the Microsoft ecosystem, Microsoft Entra External ID is also a strong contender.” Mistral Small · paraphrase prompt · alternative
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.