Gemma 4 QAT models: Optimizing compression for mobile and laptop efficiency

blog.google
June 5, 2026
4 min read
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65/100
Summary
Gemma 4 has introduced Multi-Token Prediction (MTP) to enhance inference speed. New checkpoints optimized with Quantization-Aware Training (QAT) have been released to improve efficiency for mobile and laptop use.
Key Takeaways
- Google released new checkpoints for the Gemma 4 model optimized with Quantization-Aware Training (QAT) to enhance efficiency on mobile and laptop devices.
- The QAT process minimizes quality loss during model compression, achieving better performance compared to standard Post-Training Quantization (PTQ).
- The memory footprint of the Gemma 4 E2B model has been reduced to 1GB using a novel mobile-specialized quantization format.
- Custom mobile-quantization techniques, such as static activations and targeted 2-bit quantization, improve processing efficiency and reduce VRAM requirements for edge devices.



