As OpenAI removed access to GPT-4o in its app on Friday, people who have come to rely on the chatbot for companionship are mourning the loss all over the world.

OpenAI is retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and other older models in ChatGPT to focus development on newer, improved GPT versions. The post Your favorite old ChatGPT models are going away ...

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

Understand how this artificial intelligence is revolutionizing the concept of what an autonomous agent can do (and what risks ...