# Can I run Llama 3.2 3B on Apple M3 Pro (18GB)?

Updated: 2026-06-15

**Yes, it runs.** Runs at Q4_K_M using ~3.2 GB of ~12 GB usable. You have room for FP16 for higher quality.

- Model: 3B, Q4_K_M 2.02 GB
- Device: 18 GB unified, ~12 GB usable for weights
- Needs ~3.2 GB at Q4_K_M; recommended quant: Q4_K_M
- Best tool on macOS: LM Studio
- Command: `ollama run llama3.2:3b`

Estimate. Method: weights + KV cache + ~0.8GB overhead. Sources: https://ollama.com/library/llama3.2, https://ollama.com/library/llama3.2/tags, https://huggingface.co/unsloth/Llama-3.2-3B-Instruct-GGUF, https://lmarena.ai/leaderboard.

More: https://localmodel.run/can-i-run/llama-3.2-3b/apple-m3-18gb