Elon Musk continued to defend his actions in the months leading up to his 2022 purchase of Twitter in court Thursday.

While OpenAI is bringing GPT-5.4 to its API and its AI-powered coding tool, Codex, it’s rolling out its reasoning model, GPT-5.4 Thinking, to ChatGPT. OpenAI says GPT-5.4 can wr ...

GPT-5.4 is another model update focused on usefulness for agentic tasks, particularly knowledge work. OpenAI says this is its first model explicitly aimed at computer-use tasks; like competing models, ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

The son of an engineer created a pitching app and welcomes input from players of all ages: 'Let's do it together.' ...

GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...