local intelligence

can it run

Can the HP ZBook Ultra G1a 14 (128GB) run GLM-5.3-Flash (Ox Alpha)?

NO

No. 128GB of memory can't hold the 205GB working set this model needs. A smaller quant or a bigger machine is required.

~17–24 tok/s (active-expert estimate)

weights 164GB + KV cache 2GB at 4k context vs ~126GB usable → no. 166.0 GB vs 126 GB usable — does not fit

computed roofline: 256 GB/s × 0.60–0.85 efficiency window / 9.2GB (Q4_K_M) — bands, never points.

MoE: file is 164GB (that decides fit) but only ~18B of experts activate per token (~9.2GB streamed) — band below is the active-expert estimate, optimistic; community MoE rows run several× the naive bandwidth math

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Specs

model file164GB (GGUF Q4_K_M)
minimum memory205GB working set
this machine128GB LPDDR5X-8533 (~276 GB/s)
params320B-A18B MoE
licenseMIT
price$4099

Run it

model files: hugging face ↗

easy run: no stock runtime yet

Alternatives

ASUS ExpertCenter Pro ET900N G3 (GB300) — cheapest machine that runs it ($60000)

Buy

HP ↗ · Amazon ↗

2026-09-17 · ← full hardware catalog · prices verified at source, may drift