Can I run Kolibri-1-BF16 on a Mac with 512 GB?

Yes

Its published weights (156 GB) fit in the 384 GB a Mac with 512 GB can use, with room for ≈ 256K tokens of context.

Full analysis of Kolibri-1-BF16 Everything that runs on Mac with 512 GB Get the weights on Hugging Face

hf download Aleph-Alpha/Kolibri-1-BF16

Files and context on Mac with 512 GB

Each file of Kolibri-1-BF16 (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	156 GB	Fits	256K	256K
4-bit (estimate)	43.9 GB	Fits	256K	256K

Kolibri-1-BF16 on other hardware

NVIDIA H100Probably, at 4-bit
RTX 5090No
RTX 4090No
RTX 3090No
RTX 5060 Ti 16 GBNo
RTX 3060 12 GBNo
RTX 4060No
Mac with 32 GBNo
Mac with 64 GBProbably, at 4-bit
Mac with 128 GBProbably, at 4-bit
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.