AI ON YOUR MAC // AGENTS · OPEN-WEIGHT MODELS

Set up your Mac for AI

Coding agents that work in your projects, and open-weight models that run privately on your own Mac. Pick a kit, paste one command, and InitMac shows which models your Mac can handle.

1 · Pick a kit

Want something else? Choose from all AI apps.

Which models can my Mac run?

Open-weight models load into your Mac's memory, so memory decides what fits. The installer checks yours and marks your row.

8 GBSmall 1-4B models: quick answers, summaries, autocompleteqwen3:4b · gemma3:4b

16-24 GB7-14B models: good everyday chat and coding helpqwen3:8b · qwen3:14b

32-48 GBUp to ~32B models: close to cloud quality for many tasksqwen3:32b · gemma3:27b

64 GB+70B-class models and everything smallerllama3.3:70b

End of the install, on a 48 GB Mac

==> AI tools
Open-weight models on this Mac (48 GB memory):
       8 GB+  small 1-4B models (e.g. qwen3:4b, gemma3:4b)
      16 GB+  7-14B models (e.g. qwen3:8b, qwen3:14b)
  ->  32 GB+  up to ~32B models (e.g. qwen3:32b, gemma3:27b)
      64 GB+  70B-class models (e.g. llama3.3:70b) and everything smaller
A good first model for this Mac: qwen3:14b (about 9 GB to download).
Start Ollama in the background (it will also start at login) and download qwen3:14b now, about 9 GB? [y/N]

Try your coding agents: open a project folder in Terminal and run
  claude       # Claude Code
  codex        # Codex

What you get

Coding agents that read your project, edit files and run commands, with you reviewing
Local models that work offline: nothing you type leaves your Mac
A model guide sized to your Mac, and one starter model if you want it
The exact commands to try each tool first

What it promises

Never asks for or stores API keys or accounts: you sign in to each tool yourself
Downloads a model only if you answer y (default is No)
Official Homebrew packages only, skipping anything you already have
Open source and tested in a sandbox: read the code

Free & open source (MIT) · ⭐ Star InitMac on GitHub
Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries. InitMac is an independent project and is not affiliated with, sponsored or endorsed by Apple Inc.