OpenAI Ends Cursor Partnership After SpaceX Acquisition
OpenAI cuts ties with Cursor, citing trust issues with Elon Musk. Partnership ends November 12.

OpenAI has announced the end of its partnership with Cursor, a move that comes after SpaceX completed its $60 billion acquisition of Anysphere, Cursor's parent company. As of November 12, 2026, OpenAI models will no longer be functional in Cursor.
The decision to end the partnership is reportedly due to trust concerns, with OpenAI citing Elon Musk's history of handling contracts. Musk, who is now at the helm of Anysphere through SpaceX, has a reputation for being strict with contractual agreements.
According to Cursor, OpenAI models currently handle only about 5% of its traffic, suggesting that the impact of the partnership's end may be limited. Meanwhile, Anthropic is set to add more compute power to its Claude model, potentially offsetting any losses from the OpenAI split.
When asked about OpenAI's decision, Elon Musk seemed unfazed, stating that he could not care less about the partnership's end. This response is characteristic of Musk's straightforward and often blunt approach to business dealings.
The acquisition of Anysphere by SpaceX marks a significant expansion of Musk's interests in the AI sector. As one of the most prominent figures in the tech industry, Musk's involvement in AI development is likely to have far-reaching implications.
OpenAI's decision to end its partnership with Cursor reflects the complexities of the AI landscape, where collaborations and acquisitions can have significant effects on the industry's dynamics. As AI continues to evolve and play a larger role in various sectors, the interplay between major players like OpenAI, SpaceX, and Anthropic will be closely watched.
In the context of the AI industry, the end of the OpenAI-Cursor partnership serves as a reminder of the importance of trust and contractual agreements. As companies navigate the rapidly changing AI landscape, they must carefully consider their partnerships and collaborations to ensure alignment with their values and goals.
The development also highlights the growing influence of Elon Musk in the tech industry, particularly in the AI sector. With his involvement in SpaceX, Tesla, and other ventures, Musk is poised to shape the future of AI and its applications.
In conclusion, the end of the OpenAI-Cursor partnership marks a significant shift in the AI landscape, driven by the acquisition of Anysphere by SpaceX and the trust concerns surrounding Elon Musk's contractual history. As the AI industry continues to evolve, the implications of this development will be closely monitored.
Frequently asked questions
Why did OpenAI end its partnership with Cursor?
OpenAI ended its partnership with Cursor due to trust concerns, citing Elon Musk's track record with contracts.
What percentage of Cursor's traffic is handled by OpenAI models?
OpenAI models handle about 5% of Cursor's traffic.