Head-to-head · LFM

LFM3-1.7B vs LFM3 Omni 2B

LFM3-1.7B needs ~2.1 GB at Q4_K_M; LFM3 Omni 2B needs ~3.1 GB. That ~1 GB gap decides which hardware runs each; they differ on 0 of the 13 devices below.

Spec LFM3-1.7B LFM3 Omni 2B

Parameters1.73B2.17B

Memory at Q4_K_M~2.1 GB~3.1 GB

Context window256k125k

LMArenanot rankednot ranked

LicenseLFM Open License v1.0LFM Open License v1.0

Which devices run each

A representative spread across the memory range. Tap a verdict for the full breakdown.

Size at each quantization

Quant LFM3-1.7B LFM3 Omni 2B

Q2_K 0.7 GB* 0.9 GB*

Q3_K_M 0.8 GB* 1.1 GB*

Q4_K_M 1.02 GB 1.91 GB

Q5_K_M 1.2 GB* 1.5 GB*

Q6_K 1.4 GB* 1.8 GB*

Q8_0 1.72 GB 2.6 GB

FP16 3.23 GB 4.11 GB

* derived from bits-per-weight; unstarred sizes are measured GGUF files.

Bottom line

The larger LFM3 Omni 2B needs ~3.1 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 LFM3 Omni 2B.

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FAQ

What is the difference in memory between LFM3-1.7B and LFM3 Omni 2B?

At Q4_K_M, LFM3-1.7B needs about 2.1 GB and LFM3 Omni 2B needs about 3.1 GB, a difference of ~1 GB.

Should I run LFM3-1.7B or LFM3 Omni 2B?

Run LFM3 Omni 2B if your hardware has the ~3.1 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 · LFM3 Omni 2B · all models × devices.

Sources

Memory figures are estimates at Q4_K_M. Catalog updated 2026-11-01. See methodology.