People familiar with the matter: Apple is building a large language model and has developed a chatbot "Apple GPT"

Apple has built its own framework for creating large language models, using an infrastructure called “Ajax,” and has also developed a chatbot service that some engineers call “Apple GPT,” Bloomberg reported, citing sources. Pushing artificial intelligence has become a major effort at Apple in recent months, with several teams collaborating on the project, the people said. And while trying to address potential privacy concerns associated with the technology, executives have yet to decide how to roll out the tool to consumers.