OpenAI, as if trying to break its own record for the most confusing product lineup in history, has released two new AI models for ChatGPT: OpenAI o3 and OpenAI o4-mini. These join GPT-4.5, which is ...

OpenAI announced on Thursday it is launching GPT-4.5, the much-anticipated AI model code-named Orion. GPT-4.5 is OpenAI’s largest model to date, trained using more computing power and data than any of ...

On Thursday, OpenAI announced GPT-5 and three variants—GPT-5 Pro, GPT-5 mini, and GPT-5 nano—what the company calls its “best AI system yet,” with availability for some of the models across all ...

OpenAI’s newest and largest model is being released as a research preview. OpenAI’s newest and largest model is being released as a research preview. OpenAI is launching GPT-4.5 today, its newest and ...

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, ...

After years of hype and speculation, OpenAI has officially launched a new lineup of large language models (LLMs), all different-sized variants of GPT-5, the long-awaited successor to its GPT-4 model ...