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Can a M4 32GB run LFM2.5 1.2B Thinking?

Yes. LFM2.5 1.2B Thinking fits in fast memory on M4 32GB at Q8_0 (1.9 GB needed, 24.0 GB usable), about 80 tok/s (estimate).

Hardware: M4 32GB · Model: LFM2.5 1.2B Thinking

M4 32GB has 32 GB of unified memory and 120 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 24.0 GB. LFM2.5 1.2B Thinking (1.17B, Liquid AI) at Q8_0 is a 1.2 GB download and needs 1.9 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size1.2 GB
Memory needed1.9 GB
Usable fast memory24.0 GB
Fitfits in fast memory
Estimated speed~80 tok/s (estimate)
Commandollama run lfm2.5-thinking:1.2b-q8_0
Open M4 32GB in the checker

Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.

A project by OnDevice Labs · llms.txt