Gemma.cpp is a lightweight, standalone C++ inference engine for Gemma foundation models from Google, designed for experimentation and research use cases. It provides a minimalist implementation of Gemma-2, Gemma-3, and PaliGemma-2 models, focusing on simplicity and directness. The project is open-source and allows for easy modification and embedding in other projects. It supports various features such as mixed-precision GEMM, weight compression, and SIMD acceleration.