Already bored with ChatGPT 5.3 Instant, which came out Tuesday? OpenAI has a new model family ready for you. The company released two new models, named GPT 5.4 Thinking and GPT 5.4 Pro, on Thursday.

Researchers tested different medical scenarios with the chatbot. In more than half of cases in which doctors would send patients to the ER, the chatbot said it was OK to delay care.

Claude joins the ranks of ChatGPT and Gemini, finally bringing a Memory feature to free users, complete with an import tool.

Mahdi and his team found several communication problems. People often didn’t give the chatbots the necessary information to ...