OpenAI just launched Health in ChatGPT for U.S. users 18 and older, letting you securely sync Apple Health data and hospital records for personalized guidance. The feature runs on GPT-5.6 Sol for paid users and GPT-5.5 Instant for free tiers, and OpenAI promises none of your sensitive health data will train models or target ads.
OpenAI just rolled out a major health intelligence upgrade to ChatGPT powered by GPT-5.5 Instant, available to all free users. Guided by a global network of over 260 physicians, the model matches frontier Thinking models on tough medical benchmarks, while real-world factual errors in health queries dropped 71% over the last two months.
Microsoft just added OpenAI's GPT-5.5 Instant to Microsoft 365 Copilot and Copilot Studio. The new model cuts down on verbosity, delivers faster and clearer answers for daily workflows, and sharpens image analysis and STEM tasks, with priority access for licensed users.
OpenAI just rolled out GPT-5.5 Instant as the new default model for all ChatGPT users. The update cuts hallucinated claims by 52.5% on high-stakes topics like medicine and finance, trims conversational fluff, and handles personal context from past chats much faster. A new memory sources tool also lets users see and delete the exact history used to shape answers.
