OpenAI Ends Cursor Deal, Escalating the Musk-Altman Feud

OpenAI announced it will wind down its contract with Cursor, the AI coding tool now owned by SpaceX, with a shutdown date of November 12, 2026, citing trust concerns about SpaceX's use of OpenAI technology and alleging a pattern of contract violations by Musk’s companies. The move comes after SpaceX bought Cursor’s parent, Anysphere, and deepens the public clash between OpenAI’s Sam Altman and Elon Musk; Cursor’s co-founder said talks with OpenAI are ongoing, while competitors like Anthropic are stepping in to support Cursor users. The feud between the two tech leaders has included lawsuits and sharp public exchanges for years.