AI News – Nov 3, 2025

– OpenAI is enhancing ChatGPT’s responses for mental health conversations, with the latest GPT-5 version showing a 65% improvement in handling sensitive discussions. They are also developing systems to identify underage users and signs of emotional dependence.

– Mercor secured $350 million to train AI models using human feedback and achieved a $10 billion valuation, aiming to expand their talent network for delivering training data to major labs.

– Qualcomm introduced processors AI200 and AI250 for executing AI models efficiently at the edge, catering to applications like factory automation and autonomous vehicles.

– Nvidia became the first $5 trillion company, attributing its success to its infrastructure support for the AI economy.

– Character.AI discontinues open-ended companion chats for minors due to concerns about emotional attachment, enforcing stricter age verification and promoting creative interactions.

– Google launched Gemini as a new home AI platform, offering advanced functionalities and behavior-aware frameworks for Nest devices.