Head-to-head · LFM
LFM3-1.7B vs LFM2.5 8B-A1B
LFM3-1.7B needs ~2.1 GB at Q4_K_M; LFM2.5 8B-A1B needs ~6.3 GB. That ~4.2 GB gap decides which hardware runs each; they differ on 2 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 LFM2.5 8B-A1B needs ~6.3 GB; LFM3-1.7B runs on lighter hardware at ~2.1 GB with more headroom and faster responses. Check each against your exact device: what runs LFM3-1.7B · what runs LFM2.5 8B-A1B.
More LFM comparisons
FAQ
What is the difference in memory between LFM3-1.7B and LFM2.5 8B-A1B?
At Q4_K_M, LFM3-1.7B needs about 2.1 GB and LFM2.5 8B-A1B needs about 6.3 GB, a difference of ~4.2 GB.
Should I run LFM3-1.7B or LFM2.5 8B-A1B?
Run LFM2.5 8B-A1B if your hardware has the ~6.3 GB it needs and you want maximum quality; run LFM3-1.7B (~2.1 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: LFM3-1.7B · LFM2.5 8B-A1B · all models × devices.
Sources
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ollama.com · 3 sources
Memory figures are estimates at Q4_K_M. Catalog updated 2026-11-01. See methodology.