Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

On Friday, OpenAI made o3-mini, the company's most cost-efficient AI reasoning model so far, available in ChatGPT and the API. OpenAI previewed the new reasoning model last December, but now all ...

OpenAI announced on Wednesday the launch of o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding. The company calls o3 its most advanced reasoning ...