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Head-to-head · GLM

GLM-4-9B-0414 vs GLM-5.3-Flash

GLM-4-9B-0414 needs ~7.2 GB at Q4_K_M; GLM-5.3-Flash needs ~204.8 GB. That ~197.6 GB gap decides which hardware runs each; they differ on 8 of the 11 devices below.

Spec GLM-4-9B-0414 GLM-5.3-Flash
Parameters9B320B MoE
Memory at Q4_K_M~7.2 GB~204.8 GB
Context window32k1000k
LMArenanot rankednot ranked
LicenseMITMIT

Which devices run each

A representative spread across the memory range. Tap a verdict for the full breakdown.

Size at each quantization

Quant GLM-4-9B-0414 GLM-5.3-Flash
Q2_K 3.8 GB* 134 GB*
Q3_K_M 4.4 GB* 156.4 GB*
Q4_K_M 5.74 GB 199.71 GB
Q5_K_M 6.4 GB* 228 GB*
Q6_K 7.4 GB* 262.4 GB*
Q8_0 9.31 GB 317.56 GB
FP16 18.81 GB 642.81 GB

* 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-0414 runs on lighter hardware at ~7.2 GB with more headroom and faster responses. Check each against your exact device: what runs GLM-4-9B-0414 · what runs GLM-5.3-Flash.

More GLM comparisons

FAQ

What is the difference in memory between GLM-4-9B-0414 and GLM-5.3-Flash?

At Q4_K_M, GLM-4-9B-0414 needs about 7.2 GB and GLM-5.3-Flash needs about 204.8 GB, a difference of ~197.6 GB.

Should I run GLM-4-9B-0414 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-0414 (~7.2 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: GLM-4-9B-0414 · GLM-5.3-Flash · all models × devices.

Sources

Memory figures are estimates at Q4_K_M, validated 2026-09-07. See methodology.