Head-to-head · GLM
GLM-4 9B vs GLM-5.3-Flash
GLM-4 9B needs ~7.3 GB at Q4_K_M; GLM-5.3-Flash needs ~204.8 GB. That ~197.5 GB gap decides which hardware runs each; they differ on 8 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-5.3-Flash needs ~204.8 GB; GLM-4 9B runs on lighter hardware at ~7.3 GB with more headroom and faster responses. Check each against your exact device: what runs GLM-4 9B · what runs GLM-5.3-Flash.
More GLM comparisons
FAQ
What is the difference in memory between GLM-4 9B and GLM-5.3-Flash?
At Q4_K_M, GLM-4 9B needs about 7.3 GB and GLM-5.3-Flash needs about 204.8 GB, a difference of ~197.5 GB.
Should I run GLM-4 9B or GLM-5.3-Flash?
Run GLM-5.3-Flash if your hardware has the ~204.8 GB it needs and you want maximum quality; run GLM-4 9B (~7.3 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: GLM-4 9B · GLM-5.3-Flash · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-09-07. See methodology.