Sybil AI
‹ Radeon PRO W7800

Gemma 4 26B A4B

· llama.cpp · 8K context · Radeon PRO W7800 · 48 GB

Google's Gemma 4 mixture-of-experts model: 26B total, 4B active, so it runs fast while seeing images and thinking.

117 tok/sdecode
– tok/sprefill
8Kcontext window
Earlier checkSep 6, 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. 1 Download the weights
    hf download unsloth/gemma-4-26B-A4B-it-GGUF \
      --revision c099eb48e663fd284577b04978a94ffccb261841
  2. 2 Write the server config
    cat > gemma-4-26b-a4b.llama.cpp.8k.yml <<'EOF'
    {
      "llamacpp": {
        "backend": "rocm",
        "prefer_system": false,
        "rocm_args": "--flash-attn on -b 2048 -ub 512 -sm none --spec-type draft-mtp --spec-draft-n-max 3",
        "rocm_bin": "b1323"
      },
      "rocm_channel": "nightly"
    }
    EOF
  3. 3 Start the server
    docker run --rm \
      --device /dev/kfd --device /dev/dri \
      -p 8000:13305 \
      --ipc host \
      --shm-size 16g \
      -v ~/.cache/huggingface:/root/.cache/huggingface \
      -v $PWD/gemma-4-26b-a4b.llama.cpp.8k.yml:/opt/lemonade/.config/lemonade/config.json:ro \
      --entrypoint /opt/lemonade/lemond \
      ghcr.io/lemonade-sdk/lemonade-server:v11.9.0@sha256:7c780707cd695392a8680f557c7c1d55521383a71b1c4c5a9d9e6a226a1bee91 \
      --host 0.0.0.0
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 the older check (loads and chats); a full six-check run is pending.

Details
Weights
unsloth/gemma-4-26B-A4B-it-GGUF @ c099eb48e6 ›
Image
ghcr.io/lemonade-sdk/lemonade-server:v11.9.0@sha256:7c780707cd695392a8680f557c7c1d55521383a71b1c4c5a9d9e6a226a1bee91
Launch
llama.cpp-gemma-4-26b-a4b-q4-k-s-8k ›
Recipe file
registry/recipes/amd/radeon-pro-w7800-48gb/gemma-4-26b-a4b.llama.cpp.8k.json ›
Model released
Mar 12, 2026
Tested
earlier acceptance