Here’s everything we know about OpenAI's new models and how they compare with competing models from other companies.

With a 4-0 win over Elon Musk's AI Grok 4 in the final, ChatGPT's o3 Large Language Model (LLM) took the crown at the first ...

When OpenAI released its new flagship GPT-5, it said it would discontinue its older 4o model, popular for its warm writing ...