Can I run Molmo2-8B-Minimax-H3 on a Mac with 512 GB?

Yes

Its published weights (9.29 GB) fit in the 384 GB a Mac with 512 GB can use, with room for ≈ 36K tokens of context.

Full analysis of Molmo2-8B-Minimax-H3 Everything that runs on Mac with 512 GB Get the weights on Hugging Face

hf download Alissonerdx/Molmo2-8B-Minimax-H3

Files and context on Mac with 512 GB

Each file of Molmo2-8B-Minimax-H3 (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 512 GB	Context (16-bit)	Context (8-bit)
As published	9.29 GB	Fits	36K	36K

Molmo2-8B-Minimax-H3 on other hardware

NVIDIA H100Yes
RTX 5090Yes
RTX 4090Yes
RTX 3090Yes
RTX 5060 Ti 16 GBYes
RTX 3060 12 GBYes, just
RTX 4060No
Mac with 32 GBYes
Mac with 64 GBYes
Mac with 128 GBYes
Mac with 512 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.