In a blockbuster legal filing in the Northern District of California, Apple Inc. has accused OpenAI of orchestrating a systematic campaign to steal its proprietary local artificial intelligence technologies. The complaint alleges that three former Apple hardware and software engineers, who defected to OpenAI's reasoning team, downloaded thousands of files containing trade secrets. These files reportedly include source code for edge-based model execution and proprietary quantization pipelines designed for future iOS integrations.

Legal experts suggest this lawsuit could significantly complicate OpenAI’s plans for a highly anticipated Initial Public Offering (IPO). Apple is seeking a permanent injunction to prevent OpenAI from using any of the disputed technology in its models, as well as unspecified punitive damages. OpenAI has denied all allegations, asserting that it respects intellectual property rights and will defend its development processes in court.