OpenAI has told Cursor it will wind down direct access to its AI models, with November 12 proposed as the cut-off date. The decision follows SpaceX’s acquisition of Cursor parent Anysphere and reflects OpenAI’s concerns over contract compliance. Musk hit back on X, calling Sam Altman and Greg Brockman untrustworthy.
OpenAI has told SpaceX it will wind down direct access to its AI models inside the coding tool Cursor, setting a proposed cut-off date of November 12. The move follows SpaceX's acquisition of Cursor's parent company, Anysphere, and has reignited the long-running feud between OpenAI chief executive Sam Altman and SpaceX and xAI chief Elon Musk.
OpenAI cites trust concerns over contract terms
In a statement on its website, OpenAI said it had given Cursor the maximum notice period allowed under their existing contract before ending the arrangement. The company said its decision stemmed from doubts that SpaceX would use its technology within the bounds of OpenAI's terms of service, pointing to past instances where it says Musk-owned entities have broken contractual terms - including at X (formerly Twitter) and at xAI. OpenAI added that its upcoming model, referred to internally as Astra, would not be made available to Cursor under any circumstance.
The companies had worked together for close to four years, OpenAI said, adding that the decision was a difficult one given its stated goal of keeping its models broadly accessible to developers.
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