---
type: "Article"
title: "Qwen3.8-Flash-Next 80B UD-IQ4_XS with llama.cpp on 1× DGX Spark"
description: "Qwen3.8-Flash-Next 80B UD-IQ4_XS with llama.cpp on 1× DGX Spark: recipe by Weschera with speed, condition and source for every number, weights and license."
resource: "https://www.contextstudios.ai/local-ai/weschera--qwen38-flash-next-ud-iq4xs-262k-1x-dgx-spark"
language: "en"
generated:
  by: "process:contextstudios-md/1"
  at: "2026-10-02T22:01:17.722Z"
status: "stable"
---

# Qwen3.8-Flash-Next 80B UD-IQ4_XS with llama.cpp on 1× DGX Spark

Qwen3.8-Flash-Next 80B UD-IQ4_XS with llama.cpp on 1× DGX Spark: 26.9 tok/s according to github.com (dataset as of Sep 29, 2026).

- Creator: [Weschera](https://www.contextstudios.ai/local-ai/creators/weschera.md)
- Engine: llama.cpp
- Quantization: Unsloth UD-IQ4_XS GGUF (94 GB)
- Model family: Qwen3.8-Flash-Next
- Hardware: dgx-spark x1
- Context: 262144

## All numbers

- 26.9 tok/s (Mixed; Mixed, 1 request, mixed prompt set, no speculative decoding) — [source](https://github.com/Weschera/qwen38-flashnext-single-spark/blob/main/README.md)
- decode_tps: 26.9 (1 request) — [source](https://github.com/Weschera/qwen38-flashnext-single-spark/blob/main/README.md)
- decode_tps: 26.9 (1 request) — [source](https://github.com/Weschera/qwen38-flashnext-single-spark/blob/main/README.md)
- prefill_tps: 181 (1 request) — [source](https://github.com/Weschera/qwen38-flashnext-single-spark/blob/main/README.md)

## Weights

- [unsloth/Qwen3.8-Flash-Next-GGUF](https://huggingface.co/unsloth/Qwen3.8-Flash-Next-GGUF) (main, other)

[https://github.com/Weschera/qwen38-flashnext-single-spark](https://github.com/Weschera/qwen38-flashnext-single-spark)

## Related

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