Launch gemma-4-12B-it-qat-w4a16-ct on Copilot+ PC

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Launch gemma-4-12B-it-qat-w4a16-ct on Copilot+ PC

Docker offers the quickest path to setting up this model locally.

Make sure to follow the instructions below.

The setup auto-downloads all needed files (several GBs).

The installer will automatically analyze your hardware and select the optimal configuration for your system.

📊 File Hash: de62571f89e06b2fddaeec854615b165 — Last update: 2026-06-25
  • Processor: high single-core performance needed for token latency
  • RAM: enough space for background apps and OS overhead
  • Disk Space: required: fast PCIe 4.0 drive for instant boots
  • GPU: 16 GB+ video memory highly recommended for exl2 / AWQ formats

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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