Mantle Chat

Mantle Chat, on your desktop

A dedicated window, notifications that reach you, and coding agents that run locally on the subscriptions you already pay for.

Download for Mac Open in browser

Apple Silicon · Version 0.1.22 · macOS 12 or later · Signed and notarized by Apple
Intel Mac? Download the x64 build

Platforms

Every platform, one workspace.

Native apps roll out platform by platform.
Vote on the roadmap to move yours up.

  • macOS
    Apple Silicon and Intel · macOS 12 or later
    Apple Silicon Intel
  • Windows
    x64 · Windows 11
    Windows x64
  • Linux
    Planned after the Windows release
    Coming soon
  • iOS
    iPhone · iOS 17 or later
    Coming soon
  • Android
    Phones and tablets
    Coming soon

A dedicated window

One click from your dock. No hunting through browser tabs.

Native notifications

Mentions, replies, and DMs land in Notification Center.

Built-in updates

Download updates, then restart when you're ready to install.

Platform-verified releases

macOS builds are signed and notarized by Apple. Windows builds are signed by Mantle Chat through Microsoft Artifact Signing.

Desktop only

Bring your own subscriptions.

Already pay for ChatGPT or Claude? The desktop app runs coding agents locally on those subscriptions — sign in once and use them inside Mantle.

  • Codexcodex login
  • Claude Codeclaude auth login
  • Cursoragent login
  • OpenCodeopencode auth login
  • Grok CLIgrok login

Work everywhere, today.

Mantle Chat runs fully in your browser on every device while the native apps roll out.

Open Mantle in your browser View the roadmap