Neural: OpenAI announces GPT-4.5, ChatGPT’s largest and best model for chat

Welcome to Neural. AI moves fast. We help you keep up. OpenAI has officially unveiled GPT-4.5, the latest version of the fastest ChatGPT model. While GPT-4.5 excels in a number of areas including accuracy and emotional intelligence, OpenAI emphasizes that GPT-4.5 is not its most advanced model for now. GPT-4.5 is smarter, warmer, and not yet available for everyone OpenAI knows that its various models and model names are confusing. GPT-4.5 isn’t here to help. In fact, while GPT-4.5 is the newest model release, OpenAI says that its o3 reasoning model remains its most powerful. It describes GPT-4.5 as a research preview and not a frontier model. Later this year, OpenAI expects to introduce GPT-5 as a single model that handles quick chat requests and more intensive reasoning requests without switching models. For now, GPT-4.5 is here to replace GPT-4o with more accuracy, fewer hallucinations, and higher emotional intelligence. The latter quality is something Anthropic’s Claude chatbot ... Read full article.