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Head-to-head · LFM

LFM2.5 1.2B vs LFM2 24B-A2B

LFM2.5 1.2B needs ~1.8 GB at Q4_K_M; LFM2 24B-A2B needs ~15.4 GB. That ~13.6 GB gap decides which hardware runs each; they differ on 9 of the 14 devices below.

Spec LFM2.5 1.2B LFM2 24B-A2B
Parameters1.17B24B MoE
Memory at Q4_K_M~1.8 GB~15.4 GB
Context window128k32k
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 LFM2.5 1.2B LFM2 24B-A2B
Q2_K 0.5 GB* 10.1 GB*
Q3_K_M 0.6 GB* 11.7 GB*
Q4_K_M 0.73 GB 13.43 GB
Q5_K_M 0.8 GB* 17.1 GB*
Q6_K 1 GB* 19.7 GB*
Q8_0 1.25 GB 23.61 GB
FP16 2.34 GB 44.42 GB

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

Bottom line

The larger LFM2 24B-A2B needs ~15.4 GB; LFM2.5 1.2B runs on lighter hardware at ~1.8 GB with more headroom and faster responses. Check each against your exact device: what runs LFM2.5 1.2B · what runs LFM2 24B-A2B.

More LFM comparisons

FAQ

What is the difference in memory between LFM2.5 1.2B and LFM2 24B-A2B?

At Q4_K_M, LFM2.5 1.2B needs about 1.8 GB and LFM2 24B-A2B needs about 15.4 GB, a difference of ~13.6 GB.

Should I run LFM2.5 1.2B or LFM2 24B-A2B?

Run LFM2 24B-A2B if your hardware has the ~15.4 GB it needs and you want maximum quality; run LFM2.5 1.2B (~1.8 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: LFM2.5 1.2B · LFM2 24B-A2B · all models × devices.

Sources

Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.