OpenAIs GPT-4.5 is here. How to try it now.

OpenAI's GPT-4.5 has arrived.On Thursday, the ChatGPT maker announced the latest version of its LLM (large language model) in research preview. As OpenAI CEO Sam Altman said a few weeks ago, GPT-4.5 is OpenAI's last non-chain-of-thought model, meaning all future models will have reasoning capabilities. "Early testing shows that interacting with GPT-4.5 feels more natural," said the white paper. "Its broader knowledge base, stronger alignment with user intent, and improved emotional intelligence