Qwen3.8-27B

· llama.cpp · 64K context · Radeon RX 7600 XT · 16 GB

Alibaba's 27B dense model from August 2026, and the strongest model that fits one consumer card. It thinks before it answers, calls tools reliably and reads images, which makes it the default for coding agents and long projects.

18 tok/sdecode

6,191 tok/sprefill

64Kcontext window

Tested on this cardSep 26, 2026

Run it

Follow the steps below to download and run this recipe. Omarchy Local AI lists the recipes it can launch on your hardware. The server then answers on http://localhost:8000/v1.

1 Download the weights

hf download unsloth/Qwen3.8-27B-GGUF Qwen3.8-27B-UD-Q2_K_XL.gguf \
  --revision 4ca720788d1e01f1bff70c033e0d0028fd02e502 \
  --local-dir ~/models/Qwen3.8-27B-GGUF-4ca72078

2 Start the server

docker run --rm \
  --device /dev/kfd --device /dev/dri \
  -p 8000:8080 \
  --shm-size 8g \
  -e HSA_OVERRIDE_GFX_VERSION=11.0.0 \
  -v ~/models/Qwen3.8-27B-GGUF-4ca72078:/models:ro \
  ghcr.io/ggml-org/llama.cpp@sha256:9e4536dfc7ec47fb9be2db36b25cca1eab45667509e3a1938356268d10d8d2cc \
  -m /models/Qwen3.8-27B-UD-Q2_K_XL.gguf \
  --host 0.0.0.0 \
  --port 8080 \
  --ctx-size 65536 \
  --cache-type-k q8_0 \
  --cache-type-v q4_0 \
  --spec-type draft-mtp \
  --spec-draft-n-max 4 \
  --n-gpu-layers 999 \
  --flash-attn on \
  --jinja \
  --parallel 1 \
  --no-mmproj \
  --fit off \
  --metrics \
  --threads 8

What it passed

✓ loadLoads and serves within an hour

✓ chatAnswers a plain question and stops on its own

✓ reasoningThinks separately and gets 17 × 23 right

✓ toolsCalls a tool with the right arguments and uses the result

✓ contextRecalls a code buried in a prompt that fills 85% of the window

✓ speedDecodes at 15 tok/s or more

Passed all six checks on a real AMD Radeon RX 7600 XT 16GB (owner: omarchy box) on Sep 26, 2026.

Details

Weights: unsloth/Qwen3.8-27B-GGUF @ 4ca720788d ›
Image: ghcr.io/ggml-org/llama.cpp@sha256:9e4536dfc7ec47fb9be2db36b25cca1eab45667509e3a1938356268d10d8d2cc
Launch: llama.cpp-qwen3.8-27b-ud-q2-k-xl-mtp-64k ›
Recipe file: registry/recipes/amd/rx-7600-xt-16gb/qwen3.8-27b.llama.cpp.64k.json ›
Model released: Aug 5, 2026
Tested: owner, AMD Radeon RX 7600 XT 16GB (owner: omarchy box)