Sybil AI
‹ RTX Spark N1X

gemma-4-31B-it-AWQ-4bit

· vllm · 256K context · RTX Spark N1X · 128 GB

cyankiwi's AWQ INT4 quant of Gemma 4 31B.

28 tok/sdecode
82 tok/sprefill
256Kcontext window
Tested on this cardOct 15, 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 cyankiwi/gemma-4-31B-it-AWQ-4bit \
      --revision 6f1b616c64bca2a05d67fdd6437c5500a8509327 \
      --local-dir ~/models/gemma-4-31B-it-AWQ-4bit-6f1b616c
  2. 2 Start the server
    docker run --rm \
      --gpus all \
      -p 8000:8000 \
      --shm-size 16g \
      -v ~/models/gemma-4-31B-it-AWQ-4bit-6f1b616c:/models/gemma-4-31B-it-AWQ-4bit-6f1b616c:ro \
      --entrypoint vllm \
      vllm/vllm-openai:v0.30.0@sha256:8a69ffad015f138d7170c4ddc429e230a3bc1c1719f67e14324749df200a4b90 \
      serve \
      /models/gemma-4-31B-it-AWQ-4bit-6f1b616c \
      --served-model-name gemma-4-31B-it-AWQ-4bit-6f1b616c \
      --host 0.0.0.0 \
      --port 8000 \
      --max-model-len 262144 \
      --max-num-seqs 4 \
      --gpu-memory-utilization 0.7 \
      --kv-cache-dtype fp8 \
      --enable-auto-tool-choice \
      --tool-call-parser gemma4 \
      --reasoning-parser gemma4 \
      --max-num-batched-tokens 8192 \
      --enable-prefix-caching \
      --default-chat-template-kwargs '{"enable_thinking":true}' \
      --speculative-config '{"method":"mtp","model":"google/gemma-4-31B-it-assistant","revision":"627c5ec1458b9086b841a91e0512fd31fd2fbbf1","num_speculative_tokens":4}' \
      --safetensors-load-strategy eager
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 NVIDIA RTX Spark N1X on Oct 15, 2026.

Details
Weights
cyankiwi/gemma-4-31B-it-AWQ-4bit @ 6f1b616c64 ›
Image
vllm/vllm-openai:v0.30.0@sha256:8a69ffad015f138d7170c4ddc429e230a3bc1c1719f67e14324749df200a4b90
Engine profile
vllm ›
Recipe file
registry/recipes/nvidia/rtx-spark-n1x-128gb/gemma-4-31b-it-awq-4bit.vllm.256k.json ›
Model released
Apr 2, 2026
Tested
owner, NVIDIA RTX Spark N1X