Head-to-head · GLM
GLM-4.5-Air vs GLM-4.6
GLM-4.5-Air needs ~71.8 GB at Q4_K_M; GLM-4.6 needs ~221.3 GB. That ~149.5 GB gap decides which hardware runs each; they differ on 2 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 GLM-4.6 needs ~221.3 GB; GLM-4.5-Air runs on lighter hardware at ~71.8 GB with more headroom and faster responses. Check each against your exact device: what runs GLM-4.5-Air · what runs GLM-4.6.
More GLM comparisons
FAQ
What is the difference in memory between GLM-4.5-Air and GLM-4.6?
At Q4_K_M, GLM-4.5-Air needs about 71.8 GB and GLM-4.6 needs about 221.3 GB, a difference of ~149.5 GB.
Should I run GLM-4.5-Air or GLM-4.6?
Run GLM-4.6 if your hardware has the ~221.3 GB it needs and you want maximum quality; run GLM-4.5-Air (~71.8 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: GLM-4.5-Air · GLM-4.6 · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.