Head-to-head · LFM
LFM2 350M vs LFM3-1.7B
LFM2 350M needs ~1.4 GB at Q4_K_M; LFM3-1.7B needs ~2.1 GB. That ~0.7 GB gap decides which hardware runs each; they differ on 0 of the 13 devices below.
Which devices run each
A representative spread across the memory range. Tap a verdict for the full breakdown.
Size at each quantization
* derived from bits-per-weight; unstarred sizes are measured GGUF files.
Bottom line
The larger LFM3-1.7B needs ~2.1 GB; LFM2 350M runs on lighter hardware at ~1.4 GB with more headroom and faster responses. Check each against your exact device: what runs LFM2 350M · what runs LFM3-1.7B.
More LFM comparisons
FAQ
What is the difference in memory between LFM2 350M and LFM3-1.7B?
At Q4_K_M, LFM2 350M needs about 1.4 GB and LFM3-1.7B needs about 2.1 GB, a difference of ~0.7 GB.
Should I run LFM2 350M or LFM3-1.7B?
Run LFM3-1.7B if your hardware has the ~2.1 GB it needs and you want maximum quality; run LFM2 350M (~1.4 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: LFM2 350M · LFM3-1.7B · all models × devices.
Sources
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arxiv.org · 1 source
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liquid.ai · 1 source
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ollama.com · 1 source
Memory figures are estimates at Q4_K_M. Catalog updated 2026-11-01. See methodology.