Head-to-head · GLM
GLM-5.3-Flash vs GLM-5.2
GLM-5.3-Flash needs ~204.8 GB at Q4_K_M; GLM-5.2 needs ~473.1 GB. That ~268.3 GB gap decides which hardware runs each; they differ on 0 of the 11 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-5.2 needs ~473.1 GB; GLM-5.3-Flash runs on lighter hardware at ~204.8 GB with more headroom and faster responses. Check each against your exact device: what runs GLM-5.3-Flash · what runs GLM-5.2.
More GLM comparisons
FAQ
What is the difference in memory between GLM-5.3-Flash and GLM-5.2?
At Q4_K_M, GLM-5.3-Flash needs about 204.8 GB and GLM-5.2 needs about 473.1 GB, a difference of ~268.3 GB.
Should I run GLM-5.3-Flash or GLM-5.2?
Run GLM-5.2 if your hardware has the ~473.1 GB it needs and you want maximum quality; run GLM-5.3-Flash (~204.8 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: GLM-5.3-Flash · GLM-5.2 · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-09-07. See methodology.