Storyline
OpenAI-Cursor contract dispute
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
20 FACTS
2 EVENTS
2 SOURCES
FIRST ENTRY AUG 29
AUG 29 · Day 1
OpenAI to end model access to Cursor after SpaceX acquisition
OpenAI said it cannot be confident that SpaceX will use its technology within its terms of service based on its experience with Elon Musk's companies violating contracts.
Musk left OpenAI's board in 2018.
Musk lost his lawsuit against OpenAI earlier in 2026 and has vowed to appeal.
AUG 29 · Day 1
OpenAI Terminates Contract with Cursor Citing Contract Violations
According to Cursor cofounder Michael Truell, OpenAI models account for roughly 5% of Cursor user traffic.
OpenAI stated that it plans to cut off Cursor's access to its models on November 12.
OpenAI stated that it will not make future models, including its upcoming Astra model, available to Cursor.
“We are making this choice because we cannot be confident that SpaceX will use our technology within our terms of service, based on our experience with Elon Musk's companies violating contracts.”
OPENAI
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