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OpenAI Cuts Off Musk's Cursor AI Access
29 Aug
Summary
- OpenAI will terminate Cursor's access to its models by November 2026.
- Concerns over Musk's companies violating contracts prompted the decision.
- Musk's xAI allegedly used OpenAI output to train its own models.
OpenAI is planning to sever ties with the AI coding assistant Cursor by November 12, 2026. This move is a direct consequence of Cursor's acquisition by SpaceXAI, and OpenAI's expressed lack of confidence that SpaceXAI will adhere to its terms of service.
The decision is heavily influenced by OpenAI's history with Elon Musk's companies. OpenAI stated that their "experience with Elon Musk's companies violating contracts" has led to this stance. Musk, an initial investor, has had a contentious relationship with OpenAI, including a lawsuit filed in 2024.
This lawsuit alleged OpenAI violated its founding mission. Musk accused the company of preventing investment in rival AI firms. A jury recently ruled against Musk, dismissing his claims regarding breaches of trust and unjust enrichment.
OpenAI specifically highlighted Musk's admission during a lawsuit cross-examination. He acknowledged that xAI utilized OpenAI's output for training its models, a process known as distillation. OpenAI has previously taken action against other startups for similar practices.
Cursor's CEO, Michael Truell, indicated that OpenAI represents a small percentage of their customer base and is seeking a resolution. Meanwhile, Anthropic has pledged continued support for Claude models on Cursor, expressing excitement about future collaboration with SpaceXAI.
