AI researcher Andrej Karpathy's April tweet about using LLMs to build personal knowledge bases inspired Platformer's Casey Newton to create an LLM wiki, which he says has become the most useful produc…
OpenAI is rolling out GPT-5.6 Luna to Free and Go ChatGPT users starting the week of August 6, while Plus and Pro subscribers receive an updated GPT-5.6 Sol with a reasoning-effort slider. The update …
OpenAI is rolling out ChatGPT Health to all US users aged 18 and older, allowing them to connect health data and receive medical advice via GPT-5.5 Instant and GPT-5.6 Sol models, but the feature lack…
OpenAI launched ChatGPT Health for all adult users in the United States, allowing them to connect medical records from hospitals and personal health data to the AI assistant. The feature, available on…
OpenAI is rolling out 'Health in ChatGPT' to U.S. users, connecting Apple Health, medical records, and wellness apps, with more than 300 million people asking ChatGPT health questions every week. Payi…
Users report a pattern of 'opposition bias' in ChatGPT where the model expands tasks, creates meta-tasks, and ignores original boundaries. OpenAI's GPT-5.6 Sol, rolled out on July 9, 2026, is noted fo…
OpenAI released GPT-5.5 Instant on June 25, 2026, a reasoning model with a 400k-token context window and knowledge cutoff of August 2025. Priced at $5.00 per 1M input tokens and $30.00 per 1M output t…
OpenAI quietly upgraded all free ChatGPT users to GPT-5.5 Instant, reducing hallucinations by 52.5% and improving multi-turn reasoning, now serving 900 million weekly users. The move narrows the gap b…
OpenAI updated GPT-5.5 Instant on June 24, 2026, improving conversational quality and intent recognition for everyday tasks like advice-seeking and planning, without publishing new benchmark claims. T…
OpenAI has upgraded its free GPT-5.5 Instant model, the default for ChatGPT, to improve context understanding, adapt to user clarifications, and handle complex queries more effectively. The update als…
OpenAI updated GPT-5.5 Instant on June 24, improving its ability to understand user intent, maintain context across conversation turns, follow multi-part constraints, and provide better shopping and l…
OpenAI updated GPT-5.5 Instant, its most-used ChatGPT model, to better understand user intent and improve conversation quality. The model now identifies underlying goals, adapts to user feedback, and …
OpenAI updated ChatGPT's default model to GPT-5.5 Instant in May 2026, replacing GPT-5.3 Instant for all users. The update delivers 52.5% fewer hallucinated claims and 37.3% fewer inaccurate answers, …
OpenAI released a new version of its GPT-5.5 Instant model, making it more fun to talk to and better at understanding intent. The update rolls out to paid users today and free users tomorrow.…
OpenAI upgraded free ChatGPT users to GPT-5.5 Instant, claiming it now performs comparably to its frontier Thinking models on health questions, based on internal evaluations. The company reported a 71…
OpenAI made GPT-5.5 Instant the default ChatGPT model on May 5, achieving a 52.5% reduction in hallucinated medical claims while matching frontier reasoning models on health benchmarks. The model scor…
OpenAI upgraded ChatGPT with GPT-5.5 Instant, claiming its health-related answers now surpass those written by doctors in accuracy, clarity, and completeness, with a 71% reduction in error rate.…
OpenAI released an update to GPT-5.5 Instant on May 28, improving response style, readability, and personalization, with the model scoring 81.2 on the AIME 2025 math test versus 65.4 for the prior ver…
OpenAI updated GPT-5.5 Instant to produce more natural responses and removed the Canvas feature, directing writing and coding tasks to run directly in chat. The company also announced it is retiring t…