Ollama Metal Not Found on macOS

Apple Silicon machine runs only on CPU path.

Raw Stack Trace

Metal device not found
MPSGraph unavailable
fallback to CPU

Common causes

  • Unsupported macOS version.
  • Environment variables force CPU backend.

Copy-fix commands

  • Check macOS and Ollama version sw_vers && ollama --version
  • Reset backend variables unset OLLAMA_NO_METAL
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