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Can I run LFM2.5-24B-A2B on a Mac with 128 GB?

Yes

Its published weights (47.9 GB) fit in the 96.0 GB a Mac with 128 GB can use, with room for ≈ 128K tokens of context.

Full analysis of LFM2.5-24B-A2B Everything that runs on Mac with 128 GB Get the weights on Hugging Face
hf download LiquidAI/LFM2.5-24B-A2B

Files and context on Mac with 128 GB

Each file of LFM2.5-24B-A2B (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.

FileSizeOn Mac with 128 GB Context (16-bit)Context (8-bit)
As published47.9 GBFits128K128K
BF16unsloth/LFM2.5-24B-A2B-GGUF48.0 GBFits128K128K
Q8_0unsloth/LFM2.5-24B-A2B-GGUF25.5 GBFits128K128K
UD-Q6_K_XLunsloth/LFM2.5-24B-A2B-GGUF21.9 GBFits128K128K
UD-Q5_K_XLunsloth/LFM2.5-24B-A2B-GGUF17.9 GBFits128K128K
UD-Q4_K_XLunsloth/LFM2.5-24B-A2B-GGUF14.9 GBFits128K128K
UD-Q3_K_XLunsloth/LFM2.5-24B-A2B-GGUF10.9 GBFits128K128K
UD-IQ3_XXSunsloth/LFM2.5-24B-A2B-GGUF8.96 GBFits128K128K
UD-Q2_K_XLunsloth/LFM2.5-24B-A2B-GGUF8.04 GBFits128K128K
UD-IQ2_Munsloth/LFM2.5-24B-A2B-GGUF7.54 GBFits128K128K
UD-IQ2_XXSunsloth/LFM2.5-24B-A2B-GGUF7.47 GBFits128K128K
BF16LiquidAI/LFM2.5-24B-A2B-GGUF48.0 GBFits128K128K
F16LiquidAI/LFM2.5-24B-A2B-GGUF48.0 GBFits128K128K
Q8_0LiquidAI/LFM2.5-24B-A2B-GGUF25.5 GBFits128K128K
Q6_KLiquidAI/LFM2.5-24B-A2B-GGUF19.7 GBFits128K128K
Q5_K_MLiquidAI/LFM2.5-24B-A2B-GGUF17.0 GBFits128K128K
Q4_K_MLiquidAI/LFM2.5-24B-A2B-GGUF14.5 GBFits128K128K
Q4_0LiquidAI/LFM2.5-24B-A2B-GGUF13.6 GBFits128K128K

LFM2.5-24B-A2B 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.