Free & Fair Source

Download CodeMantis
for Mac & Windows

CodeMantis is a free, native desktop app for Claude Code — Anthropic's agentic coding AI. Runs on macOS (Apple Silicon and Intel) and Windows 10 and 11. Under 50MB, launches in under 3 seconds, uses 40–120MB of memory. Built with Tauri v2 and Rust, not Electron.

Version 1.35.0 · macOS 12+ (Apple Silicon & Intel) · Windows 10 & 11 · under 50MB download

Why native matters

CodeMantis is built with Tauri v2 and Rust — not Electron. It launches in under 3 seconds, uses a fraction of the memory of browser-based tools, and feels like a real desktop app on macOS and Windows because it is one. Native menus, native file dialogs, native performance.

<50 MB

Download size

<3s

Launch time

40–120 MB

Memory usage

20+

Built-in features

Benchmarks from internal testing on Apple M1, macOS 14.3 (March 2026). Electron comparisons reference typical Chromium-based desktop apps (300–500 MB memory, 200+ MB download).

System requirements

  • macOS 12 (Monterey) or later (Apple Silicon or Intel), or Windows 10 / 11 (64-bit)
  • Claude Code CLI installed and signed in
  • Claude Pro ($20/mo) or Max($100–200/mo) subscription from Anthropic

What is Claude Code?

Claude Code is Anthropic's agentic coding tool that lives in your terminal. It can understand your codebase, edit files, run commands, and build entire features autonomously. CodeMantis wraps it in a native desktop interface.

Learn more on Anthropic Docs

Installation

  1. 1

    Download for your platform

    Click the download button above. It detects your OS and offers the right build — macOS (.dmg), or Windows (.exe installer, or .msi for managed setups).

  2. 2

    Install it

    On macOS, open the .dmg and drag the CodeMantis icon into your Applications folder. On Windows, run the installer and follow the prompts.

  3. 3

    Launch the app

    On the first launch you may see a security prompt: on macOS, right-click the app and choose Open; on Windows, click More info then Run anyway. This only happens once.

  4. 4

    You're ready

    CodeMantis detects your Claude Code installation automatically. Open a project folder and start building.

Auto-update

CodeMantis checks for updates automatically and lets you install them with a single click. You will always be on the latest version.