OpenAI Admits Apple Intelligence ChatGPT Integration Dramatically Underperformed in Court Filing

OpenAI Seeks Dismissal of xAI Antitrust Lawsuit

OpenAI asked Texas federal court Judge Mark Pittman to dismiss an antitrust lawsuit filed by Elon Musk's xAI before trial, presenting evidence that contradicts claims the Apple partnership with OpenAI created unfair competitive advantages1

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. The xAI lawsuit, filed in August 2025 by companies now part of SpaceX, alleged that Apple violated antitrust law by exclusively integrating ChatGPT into Apple Intelligence features5

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. The case is set for trial in January in the US District Court for the Northern District of Texas1

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ChatGPT Integration Dramatically Underperformed After Launch

In court filings, OpenAI revealed that the ChatGPT integration with Apple Intelligence dramatically underperformed expectations after launching in December 20242

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. When the 2024 deal was agreed, OpenAI expected a halo effect from promotion and brand association with Apple, as well as increased subscriptions from Apple Intelligence users2

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. However, just one month after the ChatGPT integration launched, it appeared to be off to a slow start, forcing OpenAI to cut its forecast for incremental logged-in weekly active users expected from the integration5

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. By summer 2025, it was clear the Apple integration was persistently underperforming4

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User Adoption Challenges and Implementation Issues

OpenAI's expert Dr. Catherine Tucker calculated that the share of generative AI consumers who accessed ChatGPT through Apple Intelligence was minimal, consistent with OpenAI's internal view that Apple Intelligence saw limited usage4

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. The court filing notes the default setting for the ChatGPT integration was off, requiring iPhone users to activate it through a multi-step opt-in process as one reason for poor uptake2

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. This friction in the user adoption process may have contributed to the disappointing results, with users needing to dive into Settings and wade through several steps to enable ChatGPT in Siri4

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SpaceX SEC Disclosures Contradict Competitive Harm Claims

OpenAI argued that SpaceX's initial public offering registration statement, filed after the company began publicly trading in June, contains disclosures diametrically opposed to the competitive harm alleged in the xAI lawsuit5

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. The registration bears no resemblance to the doomsaying in this litigation, according to OpenAI's court filing5

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. OpenAI denied wielding monopoly power, a necessary element to prove antitrust violations, and claimed the Apple integration coincided with a general decline in its market share as rivals such as Google Gemini, Anthropic, Meta and Grok gained traction2

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Apple Shifts to Google Gemini for Siri AI

The relationship between OpenAI and Apple has descended into an acrimonious trade secrets lawsuit brought by the smartphone maker in July, claiming large-scale trade secret theft2

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. Apple partnered with Google in January to use its Gemini models for the completely rebuilt Siri AI after an embarrassing two-year delay2

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. The new Siri AI launched last week, though initially only in English and still carrying a beta tag, overshadowing the ChatGPT integration that remains available in iPhone software2

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. OpenAI executives worried that Apple would want to move faster to secure another AI partner, denying them a head start in reaching Apple's billions of global users2

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. X settled with Apple last week, though the terms have not been disclosed, and OpenAI has filed legal motions to review the settlement terms3

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