Local AI · Recipe · 1× DGX Spark

GLM-5.3-Flash 320B-A18B EXL3 with vLLM on 1× DGX Spark

by vcruz305

17.3tok/sMixed

1 request, mixed prompt set, context 64k, with MTP

Source: github.com
Intelligence (original model) · Artificial Analysis42with thinkingOriginal model's value. Heavily compressed (~2.4 bit), intelligence is likely much lower.

≤ 3 bit: quantization may cost quality

Engine

Engine
vLLM
Quantization
EXL3 K2 (2-bit MCG, nur routed Experten), FP8 KV
Model family
GLM-5.3-Flash
Context
262,144
Parameters
320B MoE / 18B active (lt. glm53-nvfp4-Repo)
Creator
vcruz305
GitHub stars
27
Repo updated
Sep 22, 2026

Measurements

Every sourced value of this recipe, each with its condition and source. Bars relative to the largest value in the group.

No sourced measurements for this recipe.

What you need

Hardware
1 × NVIDIA DGX Spark (GB10)
Engine
vLLM
Context
262,144 tokens

Notes

What matters before you rebuild it.

  • ≤ 3 bit: quantization may cost qualityAt 3 bit and below the model may answer noticeably worse than the original. The intelligence number refers to the original.
  • Hangs at long context
  • Custom kernel required

Sources

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