Best overall · Prompt 1 of 8 · September 2026

A real buyer question from the September 2026 snapshot, asked 3× to each of the three models. 9 answers recorded.

“What's the best platform for a company blog and newsletter?”

ChatGPT answered 3× this snapshot

The “best” platform depends on what you want to optimize for: Best overall for most companies: Substack Great if your newsletter is the main product Very easy to start Built-in subscription and reader ecosystem Weakness: less control over branding, website structure, and customer data compared to owned platforms Best for companies that want full control: WordPress + email platform (like ConvertKit, Mailchimp, or…

Named across its answers: 1. Substack2. WordPress3. Kit4. Mailchimp5. Beehiiv

Verbatim excerpt from one collected ChatGPT answer; formatting flattened, words untouched.

Substack leads with a perfect 9-of-9 mention rate and the top first-recommendation count of 5, while Beehiiv matches its reach but never lands the top slot, averaging a position of 3.2 versus Substack's 2.8. For marketers tracking AI-driven buyer discovery, Substack's consistent pole position across all three models means it captures the critical first impression every time this question is asked.

AI-generated read of the September 2026 measurements.

Who wins this question

Contested Consensus

All three models name Substack, WordPress, Kit, Mailchimp, Beehiiv, Ghost and HubSpot on this question.

ChatGPT

Claude

Gemini mentioned · first · avg. pos

Substack 161111446 9/9 · 5× first · #2.8

Beehiiv 554333222 9/9 · never first · #3.2

WordPress 222474333 9/9 · never first · #3.3

Ghost 61222111 8/9 · 4× first · #2

Kit 3338585 7/9 · never first · #5

Mailchimp 4457474 7/9 · never first · #5

HubSpot 6999557 7/9 · never first · #7.1

Webflow 7585 4/9 · never first · #6.3

Medium 6 1/9 · never first · #6

ActiveCampaign 6 1/9 · never first · #6

Squarespace 6 1/9 · never first · #6

Each square is one collected answer; the number is the brand's position in that answer. Lime = the very first recommendation. Unlinked brands were named by the models here but sit outside this category's published top 15 overall. Never mentioned here: Buttondown, Adobe Experience Manager, MailerLite, Contentful, LinkedIn, Sitecore.