Head-to-head · LFM
LFM2.5 1.2B Thinking vs LFM2 24B-A2B
LFM2.5 1.2B Thinking 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.
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 24B-A2B needs ~15.4 GB; LFM2.5 1.2B Thinking 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 Thinking · what runs LFM2 24B-A2B.
More LFM comparisons
FAQ
What is the difference in memory between LFM2.5 1.2B Thinking and LFM2 24B-A2B?
At Q4_K_M, LFM2.5 1.2B Thinking 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 Thinking 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 Thinking (~1.8 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: LFM2.5 1.2B Thinking · LFM2 24B-A2B · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.