Qwen3.8-27B GGUF Model Hub

Unified release repository for Qwen3.8-27B quantizations, fine-tunes, and speculative decoding configurations optimized for llamAmpere on SM86 (RTX 3090 / 3090 Ti).

Available Models

File Base Architecture BPW / Quant MTP Drafter Target Hardware / Fit
qwen3.8-27b-ternary-mtp.gguf Prism ML Ternary Bonsai 2 27B 1.75 bpw (PTQ1_0) Native 1-layer MTP 5.81 GiB; fits 262K context under 24 GB VRAM
Qwen3.8-27B-ATX-4-XS.gguf Qwen3.8-27B Base 4.56 bpw (ATX-IQ4_XS-M) Native 1-layer MTP 14.52 GiB; 245K context populated under 22.6 GB ready
ATX-Swift-Qwen3.8-27B-Uncensored-IQ4_XS-M.gguf Qwen3.8-27B Swift Uncensored 4.56 bpw (IQ4_XS-M) Native 1-layer MTP 15.58 GiB
Qwopus3.8-27B-Flash-ATX-IQ4_XS-M.gguf Qwopus3.8-27B Flash 4.56 bpw (IQ4_XS-M) Native 1-layer MTP 15.58 GiB

Running with llamAmpere

Build the SM86 runtime:

cmake -S . -B build-sm86 -DCMAKE_BUILD_TYPE=Release -DGGML_CUDA=ON -DGGML_CUDA_FA=ON \
      -DCMAKE_CUDA_ARCHITECTURES=86 -DGGML_NATIVE=ON
cmake --build build-sm86 -j8 --target llama-server

Run with native MTP speculative drafting:

./build-sm86/bin/llama-server \
  -m qwen3.8-27b-ternary-mtp.gguf \
  -c 32768 -b 4096 -ub 1024 -t 8 -ngl 99 -fa on -ctk q8_0 -ctv turbo3 \
  --spec-type draft-mtp --spec-draft-n-max 3 --spec-draft-p-min 0
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GGUF
Model size
27B params
Architecture
qwen35
Hardware compatibility
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