2× DGX Spark
36.1tok/sEveryday
1 request, prose prompt, with DFlash2 (per recipe) Source
Intelligence42with thinking
- ≤ 3 bit: quantization may cost quality
- Custom kernel required
- Non-commercial
- License unclear
Local AI · Recipe · 4× DGX Spark
GLM-5.3-Flash 320B-A18B NVFP4 with vLLM on 4× DGX Spark
by tonyd2wild
Engine
- Engine
- vLLM 0.28.0
- Quantization
- NVFP4 weights + FP8 KV (Lane B: NVFP4 KV)
- Model family
- GLM-5.3-Flash
- Context
- 1,048,576
- Parameters
- 320B MoE / 18B active
- Creator
- tonyd2wild
- GitHub stars
- 43
- 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
- 4 × NVIDIA DGX Spark (GB10)
- Weights
- Main weightsnvidia/GLM-5.3-Flash-NVFP4 MIT
- Draft modelincoai/GLM-5.3-Flash-DFlash2 Non-commercial · CC-BY-NC-ND-4.0
- Engine
- vLLM 0.28.0
- Context
- 1,048,576 tokens
Notes
What matters before you rebuild it.
- Custom kernel required
- Non-commercial
Sources
- github.com/tonyd2wild/GLM-5.3-Flash-NVFP4-1M-KV-4x-DGX-Spark#the-1m-context-fp8marlin-configuration-measured-2026-08-31-to-09-02
- github.com/tonyd2wild/GLM-5.3-Flash-NVFP4-1M-KV-4x-DGX-Spark#-default-checkpoint-nvidiaglm-53-flash-nvfp4-plus-nvfp4-attention-2026-09-20
- github.com/tonyd2wild/GLM-5.3-Flash-NVFP4-1M-KV-4x-DGX-Spark/blob/main/README.md
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