Head-to-head · GLM
GLM-4.7-Flash vs GLM-4.5-Air
GLM-4.7-Flash needs ~19.2 GB at Q4_K_M; GLM-4.5-Air needs ~71.8 GB. That ~52.6 GB gap decides which hardware runs each; they differ on 3 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-4.5-Air needs ~71.8 GB; GLM-4.7-Flash runs on lighter hardware at ~19.2 GB with more headroom and faster responses. Check each against your exact device: what runs GLM-4.7-Flash · what runs GLM-4.5-Air.
More GLM comparisons
FAQ
What is the difference in memory between GLM-4.7-Flash and GLM-4.5-Air?
At Q4_K_M, GLM-4.7-Flash needs about 19.2 GB and GLM-4.5-Air needs about 71.8 GB, a difference of ~52.6 GB.
Should I run GLM-4.7-Flash or GLM-4.5-Air?
Run GLM-4.5-Air if your hardware has the ~71.8 GB it needs and you want maximum quality; run GLM-4.7-Flash (~19.2 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: GLM-4.7-Flash · GLM-4.5-Air · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.