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CLI Open source 1,055 installs/mo

llvm@21 for Mac

Next-gen compiler infrastructure

Quick answer: llvm@21 is a command-line tool for macOS. Install it with brew install llvm@21. It is distributed under the Apache-2.0 WITH LLVM-exception licence. It has 1,055 Homebrew installs in the last 30 days.

What llvm@21 is

llvm@21 is a command-line tool for macOS: next-gen compiler infrastructure.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. It is distributed under the Apache-2.0 WITH LLVM-exception licence.

How to install llvm@21

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install llvm@21.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install llvm@21 on Mac?

Run brew install llvm@21 in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is llvm@21 open source?

Yes — Homebrew distributes it under the Apache-2.0 WITH LLVM-exception licence.

Does llvm@21 run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is llvm@21?

It was installed 1,055 times in the last 30 days according to Homebrew analytics, ranking #1010 in this catalogue.

What version of llvm@21 is current?

The latest packaged version is 21.1.8.