OpenAI's o3 swept xAI's Grok 4 in the final of an AI chess tournament. Hosted by Google's Kaggle, the tournament pitted general-purpose AI models against each other. The win adds to the ongoing public ...

Now ChatGPT users can select from the model picker. The Auto setting works like GPT-5’s model router that OpenAI initially announced. However, the company is also giving users options to ...