No coding required. Really.

You describe it.
A hundred hands build it.

SpawnOS turns a plain-English idea into real, working software, the kind a business can run on. It plans the work, puts a team of AI coders on it, checks everything they make and ships it. You never touch the code.

From an idea to a live app, on its own.

Behind the chat is an assembly line. Every request goes through the same proven steps, in the same order, every time. The AI does the coding inside each step. The line decides what happens next, so nothing gets skipped.

  1. 1

    You say what you want

    "Let customers download their invoices as PDFs." That's the whole job description.

  2. 2

    It writes the plan

    Your idea becomes small, clear tasks, each with a test that proves when it's finished.

  3. 3

    It sizes up the risk

    A typo fix gets a quick pass. Anything touching money, logins or customer data gets the strongest AI and the deepest checks.

  4. 4

    A team builds it at once

    Several AI coders work side by side, each in its own private copy, so they never trip over each other.

  5. 5

    It checks the work

    Automatic tests must pass, and a second, independent AI reviews bigger changes for bugs and security holes. Failures go back for another try.

  6. 6

    It ships, and watches

    It goes live, gets tested again, and is undone on its own if anything breaks. Then you get a short note: it's done.

Why not just use ChatGPT, Claude or Codex?

They're brilliant coders. But a coder isn't a software company. Chat tools need you to be the manager: know what to ask, check what comes back, and decide when it's safe to ship. SpawnOS is the manager.

QuestionAn AI chat assistantSpawnOS
Who runs the projectYou do, one message at a timeSpawnOS does, from start to finish
Checking the workUp to you, if you know howBuilt in: tests plus a second AI reviewer
Same result every timeDepends on the day and the promptSame steps, same order, every time
How much at onceOne conversation, one taskA whole team on many tasks in parallel
Going liveYou copy, paste and deployShips it, re-tests it, rolls back if it breaks
When you close the laptopWork stopsWork keeps going

SpawnOS uses Claude and Codex as its coders, on your own Claude or ChatGPT plan. It adds everything around them that a real software team has: the plan, the checklist, the reviewer and the release process.

And it does more than code.

Uses websites for you

Its own browser, signed in from your password manager. Set up a payment account or a domain while you watch.

Remembers your inboxes

Finds the customer email that started it all, across your email and Slack accounts.

Plugs into your tools

Linear, GitHub, Hugging Face and dozens more, one click each.

Only asks when it must

A sign-in code or a real decision comes to you as one card. Everything else, it handles.

Pick your crew size.

SpawnOS is an add-on to the AI plan you already have.

Free
$0
Try SpawnOS on one computer.
  • 1 computer
  • 3 builds at once
  • 1 saved website login
  • 5 plug-ins
Pro
$10 / month
SpawnOS on every device, and it remembers.
  • All your computers, plus your phone
  • 10 builds at once
  • Remembers 2 inboxes for 90 days
  • 3 saved website logins
  • Unlimited plug-ins
Max · most popular
$30 / month
Real work running while you do other things.
  • Everything in Pro
  • 20 builds at once
  • Remembers 5 inboxes for a year
  • 10 saved website logins
  • Add your own plug-ins
Ultra
$60 / month
No limits. New features first.
  • Everything in Max
  • Unlimited builds at once
  • Remembers every inbox, all history
  • Unlimited website logins
  • Priority support

Every plan: unlimited chats, every safety check, and the same careful build process. The AI runs on your own Claude or ChatGPT plan.

Your idea.
Our crew.

Coming soon for Mac SpawnOS is invite-only while we finish it.