ChatGPT reaches 700 million weekly users as OpenAI prepares to launch GPT-5 with integrated reasoning capabilities in August 2025.

OpenAI abruptly removed a ChatGPT feature that made conversations searchable on Google, sparking privacy concerns and industry-wide scrutiny of AI data handling.

OpenAI launches ChatGPT Study Mode, transforming AI from an answer engine into a Socratic tutor that guides students through problems step-by-step rather than providing direct solutions.