ChatGPT Sites Already Hosts 8 Million Pages. The Service Hiding Inside That Number Is Building the Internal Tools Small Teams Never Get Around To.

OpenAI buried the real headline of its Sites update inside a stat, not a feature list.

"8 million sites already hosted." "70% of OpenAI employees creating their own sites." That's not an experimental feature nobody uses — that's a company running its own internal tooling on top of a product it shipped to the public in beta.

The build step got reduced to a sentence

The demo OpenAI gave was deliberately mundane: "Can you turn this sheet into a Launch Radar app in a new folder and publish as a Site?" No design brief, no dev ticket, no handoff. A spreadsheet goes in, a working, shareable app comes out — backed by a real SQLite database and scheduled tasks, with "Sign in with ChatGPT" so it defaults to private instead of wide open.

Why this is sellable right now

Every small business and internal team has at least one workflow living in a spreadsheet that everyone complains about but nobody has time to properly rebuild. That's the exact shape of thing Sites was demoed on — a sheet turned into a "Launch Radar app." The buyer doesn't need to understand ChatGPT Sites. They need to see their messy sheet turn into something that updates itself and that they can share with the right people.

The moneyPlay in practice

1. Target small teams and solo operators with an internal workflow stuck in a spreadsheet — a launch calendar, intake form, project tracker, or reporting dashboard

2. Package a fixed-price "internal tool in a day" offer: rebuild their existing sheet or process live as a private ChatGPT Site, using the same prompt pattern OpenAI demoed

3. Use the SQLite database and scheduled tasks now built into Sites so the result persists and updates automatically instead of going stale after the first week

4. Pitch with OpenAI's own numbers — "8 million sites already hosted," "70% of OpenAI employees" building their own — as proof this is production usage, not a beta gimmick

5. Default every build to private, then sell a monthly retainer for adding editors, new data sources, or plugin-based views as the client's needs grow

Bottom line

OpenAI's own adoption numbers are the pitch deck: 8 million sites, 70% internal usage, a one-sentence build step. The opening isn't building Sites yourself — it's being the person who sits across from a small business owner's messy spreadsheet, writes the right prompt, and hands back something that keeps working after the call ends.

Sources:

https://simonwillison.net/2026/Sep/29/openai-devday-2026-live-blog/