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AesSedai/Qwen3.8-Flash-Next-GGUF overview

Updates / Notes 10/03/2026: I've re quanted all of the models to include MTP, please re download. 09/02/2026: Added the PLEQ4 0 for IQ2 S and IQ3 S 09/01/2026:…

ggufbase_model:Qwen/Qwen3.8-Flash-Nextbase_model:quantized:Qwen/Qwen3.8-Flash-Nextendpoints_compatibleregion:usimatrixconversational

Runs locally from ~10.4 MB disk (4 GB VRAM class GPUs with llama.cpp / guIDE).

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Repository Files & Downloads

48 GGUF files detected
Direct downloads for local inference
FileTypeQuantizationSizeLink
IQ2_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ2_S-PLEQ4_0-00001-of-00003.ggufGGUFIQ2_S10.4 MBDownload
IQ2_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ2_S-PLEQ4_0-00002-of-00003.ggufGGUFIQ2_S46.41 GBDownload
IQ2_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ2_S-PLEQ4_0-00003-of-00003.ggufGGUFIQ2_S33.38 GBDownload
IQ2_S/Qwen3.8-Flash-Next-IQ2_S-00001-of-00005.ggufGGUFIQ2_S10.4 MBDownload
IQ2_S/Qwen3.8-Flash-Next-IQ2_S-00002-of-00005.ggufGGUFIQ2_S522.4 MBDownload
IQ2_S/Qwen3.8-Flash-Next-IQ2_S-00003-of-00005.ggufGGUFIQ2_S50.66 GBDownload
IQ2_S/Qwen3.8-Flash-Next-IQ2_S-00004-of-00005.ggufGGUFIQ2_S46.47 GBDownload
IQ2_S/Qwen3.8-Flash-Next-IQ2_S-00005-of-00005.ggufGGUFIQ2_S5.99 GBDownload
IQ3_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ3_S-PLEQ4_0-00001-of-00003.ggufGGUFIQ3_S10.4 MBDownload
IQ3_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ3_S-PLEQ4_0-00002-of-00003.ggufGGUFIQ3_S46.20 GBDownload
IQ3_S-PLEQ4_0/Qwen3.8-Flash-Next-IQ3_S-PLEQ4_0-00003-of-00003.ggufGGUFIQ3_S35.93 GBDownload
IQ3_S/Qwen3.8-Flash-Next-IQ3_S-00001-of-00005.ggufGGUFIQ3_S10.4 MBDownload
IQ3_S/Qwen3.8-Flash-Next-IQ3_S-00002-of-00005.ggufGGUFIQ3_S522.4 MBDownload
IQ3_S/Qwen3.8-Flash-Next-IQ3_S-00003-of-00005.ggufGGUFIQ3_S50.66 GBDownload
IQ3_S/Qwen3.8-Flash-Next-IQ3_S-00004-of-00005.ggufGGUFIQ3_S46.51 GBDownload
IQ3_S/Qwen3.8-Flash-Next-IQ3_S-00005-of-00005.ggufGGUFIQ3_S8.29 GBDownload
IQ4_XS-PLEQ4_0/Qwen3.8-Flash-Next-IQ4_XS-PLEQ4_0-00001-of-00003.ggufGGUFIQ4_XS10.4 MBDownload
IQ4_XS-PLEQ4_0/Qwen3.8-Flash-Next-IQ4_XS-PLEQ4_0-00002-of-00003.ggufGGUFIQ4_XS46.27 GBDownload
IQ4_XS-PLEQ4_0/Qwen3.8-Flash-Next-IQ4_XS-PLEQ4_0-00003-of-00003.ggufGGUFIQ4_XS44.88 GBDownload
IQ4_XS/Qwen3.8-Flash-Next-IQ4_XS-00001-of-00005.ggufGGUFIQ4_XS10.4 MBDownload
IQ4_XS/Qwen3.8-Flash-Next-IQ4_XS-00002-of-00005.ggufGGUFIQ4_XS669.2 MBDownload
IQ4_XS/Qwen3.8-Flash-Next-IQ4_XS-00003-of-00005.ggufGGUFIQ4_XS50.66 GBDownload
IQ4_XS/Qwen3.8-Flash-Next-IQ4_XS-00004-of-00005.ggufGGUFIQ4_XS46.46 GBDownload
IQ4_XS/Qwen3.8-Flash-Next-IQ4_XS-00005-of-00005.ggufGGUFIQ4_XS17.21 GBDownload
Q4_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q4_K_M-PLEQ4_0-00001-of-00004.ggufGGUFQ4_K_M10.4 MBDownload
Q4_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q4_K_M-PLEQ4_0-00002-of-00004.ggufGGUFQ4_K_M46.55 GBDownload
Q4_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q4_K_M-PLEQ4_0-00003-of-00004.ggufGGUFQ4_K_M46.14 GBDownload
Q4_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q4_K_M-PLEQ4_0-00004-of-00004.ggufGGUFQ4_K_M15.45 GBDownload
Q4_K_M/Qwen3.8-Flash-Next-Q4_K_M-00001-of-00005.ggufGGUFQ4_K_M10.4 MBDownload
Q4_K_M/Qwen3.8-Flash-Next-Q4_K_M-00002-of-00005.ggufGGUFQ4_K_M669.2 MBDownload
Q4_K_M/Qwen3.8-Flash-Next-Q4_K_M-00003-of-00005.ggufGGUFQ4_K_M50.66 GBDownload
Q4_K_M/Qwen3.8-Flash-Next-Q4_K_M-00004-of-00005.ggufGGUFQ4_K_M46.45 GBDownload
Q4_K_M/Qwen3.8-Flash-Next-Q4_K_M-00005-of-00005.ggufGGUFQ4_K_M34.21 GBDownload
Q5_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q5_K_M-PLEQ4_0-00001-of-00004.ggufGGUFQ5_K_M10.4 MBDownload
Q5_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q5_K_M-PLEQ4_0-00002-of-00004.ggufGGUFQ5_K_M46.56 GBDownload
Q5_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q5_K_M-PLEQ4_0-00003-of-00004.ggufGGUFQ5_K_M46.11 GBDownload
Q5_K_M-PLEQ4_0/Qwen3.8-Flash-Next-Q5_K_M-PLEQ4_0-00004-of-00004.ggufGGUFQ5_K_M36.56 GBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00001-of-00006.ggufGGUFQ5_K_M10.4 MBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00002-of-00006.ggufGGUFQ5_K_M669.2 MBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00003-of-00006.ggufGGUFQ5_K_M50.66 GBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00004-of-00006.ggufGGUFQ5_K_M45.88 GBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00005-of-00006.ggufGGUFQ5_K_M46.50 GBDownload
Q5_K_M/Qwen3.8-Flash-Next-Q5_K_M-00006-of-00006.ggufGGUFQ5_K_M9.38 GBDownload
imatrix.ggufGGUFGGUF553.2 MBDownload
mmproj-Qwen3.8-Flash-Next-BF16.ggufGGUFBF16865.5 MBDownload
mmproj-Qwen3.8-Flash-Next-F16.ggufGGUFF16862.1 MBDownload
mmproj-Qwen3.8-Flash-Next-F32.ggufGGUFF321.67 GBDownload
mmproj-Qwen3.8-Flash-Next-Q8_0.ggufGGUFQ8_0588.1 MBDownload

Model Details

Model IDAesSedai/Qwen3.8-Flash-Next-GGUF
AuthorAesSedai
Pipeline—
License—
Base modelQwen/Qwen3.8-Flash-Next
Last modified2026-10-03T10:36:56.000Z

Model README

---

base_model:

  • Qwen/Qwen3.8-Flash-Next

---

Updates / Notes

  • 10/03/2026: I've re-quanted all of the models to include MTP, please re-download.
  • 09/02/2026: Added the PLEQ4_0 for IQ2_S and IQ3_S
  • 09/01/2026: The original quants all have Q8_0 for the engram embedding tensors, and I've uploaded three variants with Q4_0 for the embedded tensors. The only difference is the Q8_0 vs Q4_0 for those tensors. I'm leaving the original quants up for those who want to use the Q8_0 PLE's.

This repo contains specialized MoE-quants for Qwen/Qwen3.8-Flash-Next. The idea being that given the huge size of the FFN tensors compared to the rest of the tensors in the model, it should be possible to achieve a better quality while keeping the overall size of the entire model smaller compared to a similar naive quantization. To that end, the quantization type default is kept in high quality and the FFN UP + FFN GATE tensors are quanted down along with the FFN DOWN tensors.

| Quant | Size | Mixture | PPL | 1-(Mean PPL(Q)/PPL(base)) | KLD |

| :---------------- | :-------------------- | :------------------------------- | :------------------ | :------------------------ | :------------------ |

| Q5_K_M | 153.07 GiB (7.32 BPW) | Q8_0 / Q5_K / Q5_K / Q6_K | 4.596526 ± 0.027937 | +0.1270% | 0.020218 ± 0.000145 |

| Q4_K_M | 131.98 GiB (6.31 BPW) | Q8_0 / Q4_K / Q4_K / Q5_K | 4.613527 ± 0.028075 | +0.4973% | 0.034206 ± 0.000237 |

| IQ4_XS | 114.99 GiB (5.50 BPW) | Q8_0 / IQ3_S / IQ3_S / IQ4_XS | 4.739310 ± 0.029099 | +3.2373% | 0.076158 ± 0.000486 |

| IQ3_S | 105.98 GiB (5.07 BPW) | Q6_K / IQ2_S / IQ2_S / IQ3_S | 4.863539 ± 0.030050 | +5.9434% | 0.160378 ± 0.000915 |

| IQ2_S | 103.63 GiB (4.96 BPW) | Q6_K / IQ2_XS / IQ2_XS / IQ3_XXS | 5.043883 ± 0.031497 | +9.8718% | 0.205353 ± 0.001121 |

| Quant | Size | Mixture | PPL | 1-(Mean PPL(Q)/PPL(base)) | KLD |

| :---------------- | :-------------------- | :------------------------------- | :------------------ | :------------------------ | :------------------ |

| Q5_K_M (Q4_0 PLE) | 129.23 GiB (6.18 BPW) | Q8_0 / Q5_K / Q5_K / Q6_K | 4.620130 ± 0.028097 | +0.6412% | 0.030943 ± 0.000212 |

| Q4_K_M (Q4_0 PLE) | 108.14 GiB (5.17 BPW) | Q8_0 / Q4_K / Q4_K / Q5_K | 4.629426 ± 0.028160 | +0.8437% | 0.043475 ± 0.000297 |

| IQ4_XS (Q4_0 PLE) | 91.14 GiB (4.36 BPW) | Q8_0 / IQ3_S / IQ3_S / IQ4_XS | 4.759109 ± 0.029230 | +3.6686% | 0.084406 ± 0.000531 |

| IQ3_S (Q4_0 PLE) | 82.13 GiB (3.93 BPW) | Q6_K / IQ2_S / IQ2_S / IQ3_S | 4.889509 ± 0.030205 | +6.5091% | 0.167198 ± 0.000940 |

| IQ2_S (Q4_0 PLE) | 79.79 GiB (3.82 BPW) | Q6_K / IQ2_XS / IQ2_XS / IQ3_XXS | 5.062449 ± 0.031623 | +10.2763% | 0.211550 ± 0.001142 |

!kld_graph

!ppl_graph

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