ggml-org announced llama.cpp v1.0.0 on November 13, 2026, giving the C/C++ local AI inference project a formal compatibility contract for downstream developers. The underlying ggml tensor library also reached v1.0.0, wit. Just about nine hours after the local LLM runtime "llama.cpp" released its long-awaited stable v1.0 on November 13, 2026, the pre-release version "b12366" was published. The ggml-org team at Hugging Face has shipped llama.cpp v1.0.0 and ggml v1.0.