Can I run Qwen3-14B on a Mac with 48 GB?

Yes, just

Its published weights (29.5 GB) fit in the 36.0 GB a Mac with 48 GB can use, with room for ≈ 39K tokens of context.

Full analysis of Qwen3-14B Everything that runs on Mac with 48 GB Get the weights on Hugging Face

hf download Qwen/Qwen3-14B

Files and context on Mac with 48 GB

Each file of Qwen3-14B (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

File	Size	On Mac with 48 GB	Context (16-bit)	Context (8-bit)
As published	29.5 GB	Tight	39K	40K
Q8_0Qwen/Qwen3-14B-GGUF	15.7 GB	Fits	40K	40K
Q6_KQwen/Qwen3-14B-GGUF	12.1 GB	Fits	40K	40K
Q5_K_MQwen/Qwen3-14B-GGUF	10.5 GB	Fits	40K	40K
Q5_0Qwen/Qwen3-14B-GGUF	10.3 GB	Fits	40K	40K
Q4_K_MQwen/Qwen3-14B-GGUF	9.00 GB	Fits	40K	40K

Qwen3-14B on other hardware

Popular models that run on Mac with 48 GB

Assumes 75% of the Mac's memory is usable (macOS's default limit for the GPU; it can be raised) and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.