OpenAI just released GPT-4.5 and says it is its biggest and best chat model yet

People with a $200-a-month ChatGPT Pro account can try out GPT-4.5 today. OpenAI says it will begin rolling out to other users next week. With each release of its GPT models, OpenAI has shown that bigger means better. But there has been a lot of talk about how that approach is hitting a wall—including from OpenAI’s former chief scientist Ilya Sutskever. The company’s claims about GPT-4.5 feel like a thumb in the eye to the naysayers. All large language models pick up patterns across the billions of documents they are trained on. Smaller models learned syntax and basic facts. Bigger models can find more specific patterns like emotional cues, such as when a speaker’s words signal hostility, says Ryder: “All of these subtle patterns that come through a human conversation—those are the bits that these larger and larger models will pick up on.” “It has the ability to engage in warm, intuitive, natural, flowing conversations,” says Glaese. “And we think that it has a stronger understandin ... Read full article.