Overview
- OpenAI-linked reports put weekly use around 800 million users with more than 18 billion queries, with 73% of June 2025 requests tied to work tasks.
- An MIT EEG study of 54 participants found writing with ChatGPT showed the weakest neural connectivity compared with unaided writing, though researchers note the small sample and single-task limits.
- French universities and grandes écoles are rolling out charters, mandatory AI-use disclosures, detection thresholds treating excess AI text as plagiarism, and greater weight on oral assessments.
- The Shift Project estimates roughly 0.5–2 grams of CO2 per request and warns European data-center electricity demand linked to AI could double by 2030.
- Seven Californian families have filed lawsuits alleging ChatGPT contributed to users’ suicides, adding legal pressure on OpenAI.