Sam Altman Microsoft GPT-4 Corporate Structure Subscription Services Dall-E Features Subscription Plans Elon Musk User Reports Training Grok Service Issues Integration Generative AI Development User Growth ChatGPT-5 Corporate Governance Domain Acquisition xAI Siri Plagiarism Voice Mode Content Deal Copilot AI User Accessibility Developer Reassurance API Integration User Engagement Pricing Strategies Company Developments Market Presence South Korea Voice Capabilities Future Developments Product Features Corporate Partnerships Copyright Issues User Criticism Revenue Models Product Announcements Legal Challenges Legal Issues Outages Service Outages Whistleblowing Data Training Tech Founders Impact on Society Feature Updates User Features Operator Canvas Feature Government Applications John Schulman Marketing Strategies Deep Research Tool Musk's Bid User Tiers Business Models Deep Research Competitors AI Models Criticism Custom GPTs Character Customized Versions Generative AI Industry Mainstream Adoption Fastest-growing app Usage Large Language Model User Adoption Success Generative Artificial Intelligence User Base Technology Commercialization Job Disruption Commercialization of Generative AI CEO Reinstatement Microsoft Funding Governance Partnership Product Left-wing Bias Services Management ChatGPT Plus Leak Superalignment GPT-4.5 AI Regulation AI Applications OpenAI CEO Sam Altman Treatment of Jews and Muslims CEO Misinformation Bias Military