Tabby, an open-source AI coding assistant, has integrated Codestral from MistralAI. Codestral offers both whole-line and full function code completion, as well as chat functionalities, making it a comprehensive tool for software developers. Major companies like Amazon and SpaceX are already using similar AI tools to enhance their coding processes. Codestral's unique single model supports both instruction-following and fill-in-the-middle features, promising to upgrade the development experience.