Can I run Qwen3.8-27B-Humanlike-Chat-GGUF on a Mac with 128 GB?

Yes

Its BF16 file (53.8 GB) fits in the 96.0 GB a Mac with 128 GB can use, with room for ≈ 256K tokens of context.

Full analysis of Qwen3.8-27B-Humanlike-Chat-GGUF Everything that runs on Mac with 128 GB Get the BF16 file on Hugging Face

llama-server -hf LessThanThreeAI/Qwen3.8-27B-Humanlike-Chat-GGUF:BF16

Files and context on Mac with 128 GB

Each file of Qwen3.8-27B-Humanlike-Chat-GGUF (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 128 GB	Context (16-bit)	Context (8-bit)
BF16	53.8 GB	Fits	256K	256K
Q8_0	28.6 GB	Fits	256K	256K
Q6_K	22.1 GB	Fits	256K	256K
Q5_K_M	19.2 GB	Fits	256K	256K
Q4_K_M	16.6 GB	Fits	256K	256K
IQ4_XS	15.1 GB	Fits	256K	256K
F32	7.47 GB	Fits	256K	256K

Qwen3.8-27B-Humanlike-Chat-GGUF on other hardware

Popular models that run on Mac with 128 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.