The fastest way to get this model running locally is via Docker.
Make sure to follow the instructions below.
1-click setup: the app automatically fetches the large weight files.
Once launched, the setup wizard will detect your specs to configure the model for maximum efficiency.
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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