Sunday vs ChatGPT Space and Sites
ChatGPT now has two places for work: Space for pages and slides, and Sites for websites. Both work well when the team is on ChatGPT.
Sunday is one place, and it is open to each agent. A page is a document, a deck, and a site at the same time, and you change each part by hand.
Facts checked on . Each fact about ChatGPT Space and Sites has a source.
| ChatGPT Space and Sites | Sunday | |
|---|---|---|
| Which AI can edit a page | ChatGPT and Codex. In Space, each person can ask their own ChatGPT to help. The help pages of OpenAI name no way for the agent of another company to edit a page.1 2 | Each agent that speaks MCP: Claude, ChatGPT, Claude Code, Codex, Cursor, Gemini, and others. Each person can use a different agent on the same page. |
| Edit by hand | Space pages and slides: yes, you edit text, images, shapes, tables, and charts directly. Sites: you ask ChatGPT for each change.1 3 4 | Yes. You change each part of a page by hand, while your agent works on the same page. |
| People on the same page | Yes in Space. You and your collaborators edit the same page, and a deck in real time.1 3 | People and agents edit the same page at the same time. This applies to each type of page. |
| Formats | Pages and slides are in Space. A website is a different product, Sites. OpenAI says that sheets are "coming soon".1 4 | One page can be a document, a deck, and a site. You do not start again for a new format. |
| Plan that you need | Space and slides: Pro, Business, or Enterprise. Pro starts at $100 a month. Sites: Plus, Pro, Business, or Enterprise.1 5 4 | No public price yet. Sunday is in private beta. |
| Share | A new Site is private by default, and you choose who has access. In an Enterprise workspace, public publishing is off until an admin turns it on.4 | A share link opens the page with no account. |
| Find it later | A space holds folders, pages, and subpages. Projects stay separate.1 | Folders, share links, versions, and comments. |
| Price of the AI | ChatGPT is the product. A change to a Site counts toward your Codex usage.4 | None. Sunday sells no AI and no credits. Each agent runs on the plan that you already pay for. |
| Open to use | Yes, on the plans above. Slides is rolling out.3 | Private beta. You request early access with your email. |
Choose ChatGPT Space and Sites when
- Each person on the team uses ChatGPT, on a Pro, Business, or Enterprise plan.
- You want a website with a database. A Site can store data.
- You need a PowerPoint or Google Slides file. ChatGPT slides export to both.
- You need the product now. Sunday is in private beta.
Choose Sunday when
- The team uses more than one AI, and each must edit the same page.
- You want one page for the document, the deck, and the site.
- You want to change a published page by hand, not by prompt.
- You do not want a $100 plan for each person who edits.
Use both
You can use both. ChatGPT connects to Sunday as a custom MCP server on its Business, Enterprise, and Edu plans.6
Sources
- Getting started with Space in ChatGPT (OpenAI Help Center)
- Space (ChatGPT)
- Creating and collaborating on slides in ChatGPT (OpenAI Help Center)
- Creating and using ChatGPT Sites (OpenAI Help Center)
- About ChatGPT Pro tiers (OpenAI Help Center)
- Connecting custom MCP servers in ChatGPT (OpenAI Help Center)
We read each source on 13 November 2026. Products change. If a fact on this page is wrong, write to hello@sundayworkspace.com and we correct it.