How to Run gemma-4-12B-it-qat-w4a16-ct with Native FP4

How to Run gemma-4-12B-it-qat-w4a16-ct with Native FP4

For the fastest local setup of this model, Docker is the best choice.

Simply follow the directions outlined below.

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The client handles the setup, pulling gigabytes of data automatically.

The deployment tool scans your environment and automatically chooses the ideal parameters for your OS.

💾 File hash: 3907efc63f8a3ba6755354a5be72acf0 (Update date: 2026-06-24)



  • CPU: modern architecture (Zen 3 / Alder Lake minimum)
  • RAM: fast 5600MHz+ required to avoid memory bottlenecks
  • Storage: extra room for future model updates and datasets
  • Graphics: 12 GB VRAM minimum required for basic quantization

The **gemma-4-12B-it-qat-w4a16-ct** model represents a significant advancement in instruction‑tuned language models, combining a 12‑billion parameter base with a specialized QAT quantization scheme. It leverages a *w4a16* format, meaning weights are stored in 4‑bit precision while activations remain in 16‑bit floating point, delivering a balanced trade‑off between memory footprint and computational accuracy. The model has been optimized through **QAT**, which fine‑tunes the network to mitigate quantization errors and preserve performance across diverse tasks. In benchmark evaluations, it consistently outperforms comparable 12B‑parameter models while requiring roughly 60 % less GPU memory, making it ideal for deployment on resource‑constrained edge devices. A quick reference table below compares its key attributes with other popular Gemma variants, highlighting its superior efficiency and accuracy metrics.

Model **gemma-4-12B-it-qat-w4a16-ct**
Parameters 12 B
Quantization w4a16 (QAT)
Memory Usage ~60 % less than baseline 12B models
Accuracy Higher than comparable 12B variants
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