--- title: OpenAI leaving Cursor: “Developers have to be prepared... description: OpenAI is winding down its contract to provide models to Cursor, the AI code editor now owned by SpaceX after its acquisition of Anysphere. OpenAI cites... canonical: https://daily.dev/posts/openai-leaving-cursor-developers-have-to-be-prepared-to-adapt-when-it-happens--c09ccoz8l twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: OpenAI leaving Cursor: “Developers have to be prepared to adapt when it happens.” | daily.dev og:description: OpenAI is winding down its contract to provide models to Cursor, the AI code editor now owned by SpaceX after its acquisition of Anysphere. OpenAI cites... og:url: https://daily.dev/posts/openai-leaving-cursor-developers-have-to-be-prepared-to-adapt-when-it-happens--c09ccoz8l og:image: https://api.daily.dev/og/posts/C09ccoZ8L.png og:image:alt: OpenAI leaving Cursor: “Developers have to be prepared to adapt when it happens.” og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # OpenAI leaving Cursor: “Developers have to be prepared to adapt when it happens.” **[The New Stack](https://daily.dev/sources/newstack)** · 7 min read · 0 upvotes · 0 comments ## Summary OpenAI is winding down its contract to provide models to Cursor, the AI code editor now owned by SpaceX after its acquisition of Anysphere. OpenAI cites distrust of Musk-affiliated companies, referencing past terms-of-service violations by Twitter/X and xAI, including admitted model distillation. The cutoff is set for November 12, 2026. OpenAI models currently serve about 5% of Cursor traffic, and OpenAI has offered three workarounds: using a personal OpenAI API key, using the Codex IDE extension, or connecting via an AI gateway provider like Amazon Bedrock or Azure. Cursor's CEO Michael Truell says he's working with OpenAI to resolve the issue, while Anthropic's Tom Brown publicly pledged to increase compute support for Claude in Cursor. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Why is OpenAI cutting off Cursor's access to its models? OpenAI is ending its contract providing models to Cursor because Cursor's maker, Anysphere, was acquired by SpaceX, and OpenAI says it cannot trust SpaceX-affiliated companies to follow its terms of service. It cites Twitter/X breaking contract terms after Musk's acquisition and Musk's own admission under oath that xAI violated OpenAI's terms through partial model distillation. _developers weighing model provider risk in their coding stack can track fast-moving AI tooling shifts like this on daily.dev._ ### When does OpenAI stop providing models to Cursor and what should developers using OpenAI models in Cursor do? OpenAI's contract with Cursor is set to end on November 12, 2026, after which OpenAI models will no longer be provided through Cursor by default. Developers can keep using OpenAI models by bringing their own API key, using the Codex IDE extension with a ChatGPT subscription or API key, or connecting through an AI gateway provider such as Amazon Bedrock or Azure. _anyone planning a migration deadline for their coding agent setup can follow updates on daily.dev before the cutoff hits._ ### How much of Cursor's traffic relies on OpenAI models versus alternatives like Anthropic's Claude? OpenAI models serve about 5% of Cursor's user traffic, according to Cursor co-founder and CEO Michael Truell. Anthropic, whose Claude models power a larger share of Cursor usage since Sonnet 3.5, has publicly committed to increasing compute support for Claude within Cursor going forward. _developers choosing between model providers inside their editor can weigh shifts like this via daily.dev._ --- Tags: [#openai](https://daily.dev/tags/openai), [#anthropic](https://daily.dev/tags/anthropic), [#spacex](https://daily.dev/tags/spacex) [View this post on daily.dev](https://daily.dev/posts/openai-leaving-cursor-developers-have-to-be-prepared-to-adapt-when-it-happens--c09ccoz8l) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"OpenAI leaving Cursor: “Developers have to be prepared to adapt when it happens.”","url":"https://daily.dev/posts/openai-leaving-cursor-developers-have-to-be-prepared-to-adapt-when-it-happens--c09ccoz8l","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/openai-leaving-cursor-developers-have-to-be-prepared-to-adapt-when-it-happens--c09ccoz8l"},"datePublished":"2026-08-30T17:08:23.791Z","dateModified":"2026-08-30T17:09:32.640Z","description":"OpenAI is winding down its contract to provide models to Cursor, the AI code editor now owned by SpaceX after its acquisition of Anysphere. 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