Can I run Groot-19B-A3B-261023 on a Mac with 256 GB?

Yes

Its published weights (38.9 GB) fit in the 192 GB a Mac with 256 GB can use, with room for ≈ 256K tokens of context.

Full analysis of Groot-19B-A3B-261023 Everything that runs on Mac with 256 GB Get the weights on Hugging Face

hf download GrootTeam/Groot-19B-A3B-261023

Files and context on Mac with 256 GB

Each file of Groot-19B-A3B-261023 (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 256 GB	Context (16-bit)	Context (8-bit)
As published	38.9 GB	Fits	256K	256K
Q4_K_MGrootTeam/Groot-19B-A3B-261023-GGUF	11.7 GB	Fits	256K	256K

Groot-19B-A3B-261023 on other hardware

NVIDIA H100Yes
RTX 5090Yes, with a GGUF version
RTX 4090Yes, with a GGUF version
RTX 3090Yes, with a GGUF version
RTX 5060 Ti 16 GBYes, with a GGUF version
RTX 3060 12 GBNo
RTX 4060No
Mac with 32 GBYes, with a GGUF version
Mac with 64 GBYes, just
Mac with 128 GBYes
Mac with 256 GBYes

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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.