runner
Open source
free
4.5/5

MLX-LM

Apple's Metal-native ML framework's LLM runner. Now competitive with llama.cpp Metal on M-series silicon, with better long-context performance.

By Fredoline Eruo·Last verified May 6, 2026·4,200 GitHub stars

Overview

Apple's Metal-native ML framework's LLM runner. Now competitive with llama.cpp Metal on M-series silicon, with better long-context performance.

Pros

  • Native Apple Silicon
  • Active Apple development
  • Strong long-context

Cons

  • Apple-only
  • MLX quant format separate from GGUF

Compatibility

Operating systems
macOS
GPU backends
Apple Metal
LicenseOpen source · free

Get MLX-LM

Frequently asked

Is MLX-LM free?

Yes — MLX-LM is free to download and use and open-source under a permissive license.

What operating systems does MLX-LM support?

MLX-LM supports macOS.

Which GPUs work with MLX-LM?

MLX-LM supports Apple Metal. CPU-only inference is also possible but slow.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.