OpenAI notified SpaceX that it will wind down its contract supplying OpenAI models to Cursor, with a proposed shutoff date of November 12, 2026. OpenAI cited its experience with Elon Musk's companies violating contracts, noting Twitter broke contract terms after Musk's acquisition and that Musk admitted under oath that xAI violated OpenAI's terms of service. OpenAI said it will support affected developers during the transition.
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