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ChatGPT Sites builds apps and websites on paid ChatGPT plans. Sitelas builds and runs marketing websites from ChatGPT's free plan or Claude. What each does well, what each costs, and a real site built from one chat.

Three ways to build a website with ChatGPT: ask for code, use ChatGPT Sites, or add a website app. A real café site built, changed and previewed from a ChatGPT chat, on the free plan.

Most small business websites go out of date because every change means logging in somewhere. A chat-native website builder is one you run by talking to Claude or ChatGPT: it builds the site, and makes every change after that when you ask.

A site built from a ready-made design starts with somebody else's name, email and products inside it — and the leftovers hide in the places a page-by-page rewrite never reaches. Here is the sentence to say before you publish, and what it actually found on two real sites.

Sitelas is a connector, not an app — so the agent already in your editor can build your site and then keep running it. Here is the config for Cursor, VS Code, Gemini CLI and Claude Code, the first sentence to say, and the real site an agent built through it.

Sitelas is now in Claude's connector directory, so installing it takes one click. The hard part is knowing what to say next — here is the exact first sentence, and the real site Claude built when I said it.

A real Claude Cowork use case: one workspace builds the waitlist page, publishes it, and reads the sign-ups back to you in plain English every morning.

Every tool can generate a page now. The real question is whether an AI agent can build a real website, publish it, and keep running it. On Sitelas, an agent with a single API key gets the same tools as a person: design and publish a site, then read its form submissions and analytics — while a human keeps control of what ships and what costs money.

AI website management without a dashboard. The same Claude chat that built your Sitelas site reads the form messages, drafts replies, edits pages and publishes when you approve.