oxibonsai.OxiBonsai is a zero-FFI, zero-C/C++ inference engine for PrismML's sub-2-bit Bonsai family — both the 1-bit line (Q1_0_g128) and the ternary line (TQ2_0_g128). It runs on CPU (SIMD), Apple Silicon (Metal), and NVIDIA (CUDA) without depending on llama.cpp, BLAS, or any C/Fortran runtime.