OpenAI CEO Sam Altman and several other researchers and engineers came to Reddit the day after debuting the powerful new ...

The ChatGPT fandom started melting down. CEO Sam Altman responded by promising to let customers start using the older GPT models again. By August 11, Altman was in full screencap apology mode trying ...

Elon Musk’s xAI has stepped up in the AI arms race against rival OpenAI. On August 10, xAI made its Grok 4 model free for all ...