Works while your laptop's closed
Scheduled tasks run on Sauna's servers and land in your email or iMessage. There's no desktop app to keep open and no machine to leave on.
Claude Cowork acts when you ask, in a desktop app on your machine. Sauna works in the cloud across your whole stack. It notices what changed, prepares the work that needs you, and has it ready before you ask. And your team shares the same one.

Claude Cowork runs in a desktop app and acts when you ask, while you watch. Sauna runs in the cloud and works on its own between your asks. It checks what changed across your tools and prepares the work that needs you, so the reply or the draft is waiting for your approval. You review and send instead of starting from scratch.
One waits for instructions. One shows up with the work ready.
Scheduled tasks run on Sauna's servers and land in your email or iMessage. There's no desktop app to keep open and no machine to leave on.
Connect thousands of apps, or add your own with an API key or MCP server, right from chat. Sauna reaches well past the files on one computer.
I'm preferring it to Claude Cowork — it's using connectors better.
Sauna watches the tools you connect, surfaces what needs you, and has the draft or reply ready for your approval. You review instead of starting cold.
It runs in the cloud, so it's the same Sauna on Slack, iMessage, email, Superhuman, and the web. Nothing to install, nothing to keep open.
Spaces, Brain Access, and Shared Folders let the whole team work with one coworker.
Yes, within the limits you set. It watches the tools you connect, surfaces what needs you, and prepares the work. It only sends or changes anything after you approve.
Claude Cowork is a desktop app that works on your machine and your local files. Sauna runs in the cloud, on Slack, iMessage, email, and the web, connected to your whole stack and shared with your team.
No. Sauna runs in the cloud and can work on a schedule, even when your laptop is shut.
Yes. Spaces, Brain Access, and Shared Folders make it multiplayer.
Sauna reads only what you connect, and acts only after you approve. Your workspace and its memory are yours, not training data.