OpenAI internally assessed by summer 2025 that ChatGPT’s integration with Apple Intelligence had performed significantly below expectations, according to litigation filings reported by the Financial Times. The filings indicate that both incremental weekly active users and paid subscription conversions fell short of projections. ChatGPT was disabled by default within Apple Intelligence, requiring users to enable it manually, a setup that may have limited usage. OpenAI had hoped to use Apple’s iPhone user base to expand ChatGPT’s reach and drive paid conversions. The filings do not disclose specific user or subscription figures and reflect OpenAI’s position in litigation rather than publicly reported operating data. Apple separately selected Google Gemini as the model underpinning the newer version of Siri this year.