OpenAI says it's ending its deal with Cursor because of Elon Musk's companies violating contracts
OpenAI will stop providing AI models to the coding assistant Cursor on November 12, 2026. The move follows SpaceX's $60 billion acquisition of Anysphere, the company behind Cursor. OpenAI cited a lack of trust in SpaceX to follow terms of service, pointing to previous contractual non-compliance by Elon Musk's xAI. Cursor's CEO reports that OpenAI models currently represent 5% of the tool's traffic. This decision extends the personal conflict between Sam Altman and Elon Musk into a struggle over AI infrastructure access.
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- ✓ OpenAI will terminate model access for Cursor on November 12, 2026.
- ✓ SpaceX acquired Cursor in a $60 billion deal with Anysphere.
- ✓ OpenAI's decision follows the acquisition of Cursor by SpaceX.
- ✓ OpenAI models account for 5% of Cursor's traffic.
What changed
Recent reports reveal SpaceX paid $60 billion for the Anysphere deal that triggered OpenAI's termination notice.
Live updates
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OpenAI to Cut Cursor Model Access Following $60 Billion SpaceX Acquisition
OpenAI will stop providing AI models to the coding assistant Cursor on November 12, 2026. The move follows SpaceX's $60 billion acquisition of Anysphere, the company behind Cursor. OpenAI cited a lack of trust in SpaceX to follow terms of service, pointing to previous contractual non-compliance by Elon Musk's xAI. Cursor's CEO reports that OpenAI models currently represent 5% of the tool's traffic. This decision extends the personal conflict between Sam Altman and Elon Musk into a struggle over AI infrastructure access.
Why it matters
The dispute centers on whether AI infrastructure providers can unilaterally cut off access to tools owned by corporate rivals. This action forces Cursor users to choose between alternative models or different coding platforms. It highlights the volatile nature of custom agreements when ownership changes hands.
What is confirmed
- OpenAI will terminate model access for Cursor on November 12, 2026.
- SpaceX acquired Cursor in a $60 billion deal with Anysphere.
- OpenAI's decision follows the acquisition of Cursor by SpaceX.
- OpenAI models account for 5% of Cursor's traffic.
Still unconfirmed
- OpenAI pulled model access the moment SpaceX took ownership.
What to watch next
- Cursor's announcement of replacement AI models before the November 12 deadline
- Legal challenges from SpaceX or Anysphere regarding the termination of the custom agreement
confidence 90%Sources used for this update (7)
- www.pymnts.com — OpenAI Cancels Cursor Partnership Citing Distrust of Elon Musk
- 247wallst.com — Altman-Musk Feud Escalates as OpenAI Cuts Off Cursor Access After SpaceX Merger
- coinedition.com — Musk-Altman Feud Opens New Front as OpenAI Moves to Cut Cursor Access
- finance.yahoo.com — Musk vs. Altman: SpaceX stock in focus as OpenAI ends Cursor access to AI models
- www.infoworld.com — Cursor customers will lose access to OpenAI coding models in November
- finance.yahoo.com — OpenAI cutting off Cursor AI model access after SpaceX deal
- www.forbes.com — OpenAI Cuts Off Cursor After SpaceX's $60 Billion Takeover
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OpenAI terminates model access for Cursor following SpaceX acquisition
OpenAI is ending its partnership with the AI coding assistant Cursor after the tool was acquired by SpaceX. OpenAI plans to stop providing its AI models to the editor by November 12, 2026, which the company states is the maximum notice period allowed under their custom agreement. The decision stems from a lack of trust in SpaceX to follow terms of service, with OpenAI citing previous contractual non-compliance by xAI, another company owned by Elon Musk. Cursor reports that OpenAI models currently account for 5% of its traffic.
Why it matters
This move intensifies a legal and professional rivalry between OpenAI CEO Sam Altman and Elon Musk. Musk is currently pursuing a 150 billion dollar lawsuit against OpenAI. The dispute centers on the governance and direction of the AI company Musk helped found.
What is confirmed
- OpenAI is ending its partnership with Cursor after the company was acquired by SpaceX.
- The proposed date to cut off AI model access is November 12, 2026.
- OpenAI cited past conduct by xAI as a reason for not trusting SpaceX to comply with terms of service.
- Elon Musk is involved in a 150 billion dollar lawsuit against OpenAI.
Still unconfirmed
- SpaceX acquired Cursor in a 60 billion dollar deal.
- OpenAI models represent 5% of Cursor's traffic.
What to watch next
- The official response from SpaceX or Cursor regarding the November 12 shutoff date
- Legal filings from Musk's lawsuit that may reference the Cursor contract termination
confidence 95%Sources used for this update (14)
- Reuters — OpenAI to end partnership with SpaceX's Cursor
- OpenAI — Our decision on Cursor following its acquisition by SpaceX
- Time Magazine — Michael Truell: The 100 Most Influential People in AI 2026
- Business Insider — OpenAI says it's ending its deal with Cursor because of Elon Musk's companies violating contracts
- Bloomberg.com — OpenAI to End Partnership With Cursor After SpaceX Acquisition
- finance.yahoo.com — OpenAI to End Partnership With Cursor After SpaceX Acquisition
- cybersecuritynews.com — OpenAI Is Pulling Its AI Models From Cursor Following SpaceX Acquisition
- www.businessinsider.com — OpenAI says it's ending its deal with Cursor because Elon Musk's companies violate contracts
- www.cnbctv18.com — OpenAI says it can't trust Elon Musk's cos as it ends Cursor contract
- www.livemint.com — OpenAI ends Cursor deal: Is Elon Musk responsible for Sam Altman's company cutting off AI models? What we know
- www.digit.in — Sam Altman vs Elon Musk: OpenAI ends Cursor deal after SpaceX acquisition, cites contract violation concerns
- www.engadget.com — OpenAI will pull its models from Cursor due to SpaceXAI acquisition
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