---
type: "Article"
title: "GLM-5.3-Flash NVFP4 with vLLM on 2× DGX Spark (128k context, with DFlash2)"
description: "GLM-5.3-Flash NVFP4 with vLLM on 2× DGX Spark (128k context, with DFlash2): recipe by Weschera with speed, condition and source for every number, weights and license."
resource: "https://www.contextstudios.ai/local-ai/weschera--glm53-flash-nvfp4-nvidia-dflash2-k7-2x-dgx-spark"
language: "en"
generated:
  by: "process:contextstudios-md/1"
  at: "2026-10-02T21:54:16.044Z"
status: "stable"
---

# GLM-5.3-Flash NVFP4 with vLLM on 2× DGX Spark (128k context, with DFlash2)

GLM-5.3-Flash NVFP4 with vLLM on 2× DGX Spark (128k context, with DFlash2): 20.5 tok/s according to github.com (dataset as of Sep 29, 2026).

- Creator: [Weschera](https://www.contextstudios.ai/local-ai/creators/weschera.md)
- Engine: vLLM
- Quantization: NVFP4 (Marlin W4A16); FP8 E4M3 KV (6 GiB-Pin)
- Model family: GLM-5.3-Flash
- Hardware: dgx-spark x2
- Context: 131072

## All numbers

- 20.5 tok/s (Everyday; Everyday, 1 request, prose prompt, no speculative decoding) — [source](https://github.com/Weschera/GLM-5.3-Flash-NVIDIA-NVFP4-2x-DGX-Spark/blob/main/README.md)
- decode_tps: 20.5 (1 request) — [source](https://github.com/Weschera/GLM-5.3-Flash-NVIDIA-NVFP4-2x-DGX-Spark/blob/main/README.md)
- decode_tps: 20.5 (1 request) — [source](https://github.com/Weschera/GLM-5.3-Flash-NVIDIA-NVFP4-2x-DGX-Spark/blob/main/README.md)

## Weights

- [nvidia/GLM-5.3-Flash-NVFP4](https://huggingface.co/nvidia/GLM-5.3-Flash-NVFP4) (main, mit)
- [incoai/GLM-5.3-Flash-DFlash2](https://huggingface.co/incoai/GLM-5.3-Flash-DFlash2) (draft, cc-by-nc-nd-4.0)

[https://github.com/Weschera/GLM-5.3-Flash-NVIDIA-NVFP4-2x-DGX-Spark](https://github.com/Weschera/GLM-5.3-Flash-NVIDIA-NVFP4-2x-DGX-Spark)

## Related

- [Local AI on your hardware.](https://www.contextstudios.ai/local-ai.md)