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 ...

ADDRESSING USER FEEDBACK We’re in the middle of one of the biggest ChatGPT updates we’ve ever shipped — GPT-5 is rolling out ...