Meridian

Download Meridian

Meridian is a native macOS app built for Apple Silicon. It runs directly on your Mac — fast, private, and always working in the background.

System Requirements

  • macOS 15 (Sequoia) or later
  • Apple Silicon (M1 or newer) — Meridian is Apple Silicon-only

Get Meridian

Download Meridian directly — a notarized build, signed for macOS and ready to run.

Download for macOS

Signed and notarized by Apple · Apple Silicon · macOS 15 or later

Getting Started

  1. Download and install Meridian — open the .dmg and drag Meridian to your Applications folder
  2. Create an account or sign in — you can use your Google or Microsoft account
  3. Connect your accounts — add Google, Microsoft 365, Fastmail, or Apple iCloud
  4. Let Meridian sync — it will pull in your email, calendar, and contacts automatically
  5. That’s it — Meridian works in the background from here

Meridian downloads a recommended on-device AI model in the background. The model selected depends on your Mac and is typically between 270 MB and 2 GB; you can keep using the rest of the app while it downloads.

Need Help?

Start with the documentation or visit Support if something is not working as expected.