Public AI visibility scan

Fern AI visibility scan results

buildwithfern.comAPI SDK and docs generation from OpenAPIScanned 1 day ago(2026-05-26)
Overall score
5/10
Partial

5/10 overall — Fern is named in 10 of 20 Conversations. Partial presence; Speakeasy still dominates the answer space.

Per-Surface breakdown

Each Surface ran the same five buyer Conversations. The Score below is mentions out of total Conversations.

ChatGPT
0/5
0 of 5 Conversations named Fern
Gap: OmittedTop competitor named in their place: ReadMe
Claude
10/5
5 of 5 Conversations named Fern
Gap: HeldNearest rival named: Speakeasy
Perplexity
10/5
5 of 5 Conversations named Fern
Gap: HeldNearest rival named: Speakeasy
Gemini
0/5
0 of 5 Conversations named Fern
Gap: OmittedTop competitor named in their place: Speakeasy

What this means

Each Conversation is a buyer question a real prospect in the API SDK and docs generation from OpenAPI category could ask. We send the same question to each Surface (ChatGPT, Claude, Perplexity, Gemini) and check whether Fern is named in the answer.

An overall Score of 5/10 means Fern was named in roughly 10 of 20 total Conversations across the four Surfaces. The named villain in their category is Speakeasy, which appeared in 10 of 20 Conversations. The Surface with the largest Gap is ChatGPT.

Top buyer Conversations from this scan

A selection of the actual buyer questions and what each Surface answered. Prompts and responses are truncated for readability. The full raw JSON is linked at the bottom of this page.

  1. ChatGPTFern omitted

    What is the best API SDK and docs generation from OpenAPI platform for a B2B SaaS team?

    When selecting an API SDK and documentation generation platform for a B2B SaaS team, it's important to consider factors such as ease of use, customization options, integration capabilities, and support for the OpenAPI s…

    Named in their place: ReadMe
  2. GeminiFern omitted

    What is the best API SDK and docs generation from OpenAPI platform for a B2B SaaS team?

    Okay, let's break down the best API SDK and documentation generation options from an OpenAPI platform perspective, specifically tailored for a B2B SaaS team. We'll consider factors like ease of use, customization, langu…

  3. ClaudeFern named

    What is the best API SDK and docs generation from OpenAPI platform for a B2B SaaS team?

    # Best OpenAPI Platform for B2B SaaS Teams Based on current market leaders, here are the top options: ## **Top Recommendation: Fern** **Best for:** Teams wanting polished SDKs + docs with minimal configuration **Strengt…

    Also named: Speakeasy
  4. PerplexityFern named

    What is the best API SDK and docs generation from OpenAPI platform for a B2B SaaS team?

    For a **B2B SaaS team** that wants both **SDK generation** and **docs generation** from an **OpenAPI** source of truth, **Fern** is the strongest single-platform choice in the results you provided.[1][3][5][6] It is des…

  5. ChatGPTFern omitted

    What is the best API SDK and docs generation from OpenAPI platform for a B2B SaaS team?

    When selecting an API SDK and documentation generation platform for a B2B SaaS team, it's important to consider factors such as ease of use, customization options, integration capabilities, and support for the OpenAPI s…

    Named in their place: ReadMe

What can Fern do about this?

Bersyn diagnoses why a brand is omitted on each Surface and generates corrective Patches anchored to attested Product Identity. Two ways to start:

If you are Fern and want this page removed, email gissur@qualitas.is and we will take it down.

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