Model comparison

LFM2.5-230M vs LFM2.5-350M

At Q4_K_M, LFM2.5-230M is the smaller download — 153,406,048 bytes against 228,332,128.

From the file· summed bytes, KV per layer

Side by side

LFM2.5-230MLFM2.5-350M
Parameters230M354M
Architecturelfm2lfm2
Layers1416
Native context128,000128,000
Mixture of expertsnono
Quantizations published2513
Smallest quantization0.10 GiB0.20 GiB
Q4_K_M0.14 GiB0.21 GiB
Licenceotherother

KV cache by context

the term that decides long-context viability
ContextLFM2.5-230MLFM2.5-350MRatio
4,0960.05 GiB0.05 GiB1.00×
8,1920.09 GiB0.09 GiB1.00×
16,3840.19 GiB0.19 GiB1.00×
32,7680.38 GiB0.38 GiB1.00×
65,5360.75 GiB0.75 GiB1.00×
131,0721.50 GiB1.50 GiB1.00×