OpenAI continues to push the envelope on generative AI. Yesterday, without much fanfare or warning, the company's official ChatGPT account on the social network X posted an update stating: "There's a ...

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, ...

In a post published on 29 January 2026, OpenAI said it will remove GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini from ChatGPT. The update arrives alongside the previously announced retirement of ...

Q. ChatGPT-4o was released in May 2024, and I heard it can interact with documents. Does this apply to Excel documents? A. In January 2023, I wrote my first column on ChatGPT for the JofA, and I was ...

OpenAI has published a postmortem on the recent sycophancy issues with the default AI model powering ChatGPT, GPT-4o — issues that forced the company to roll back an update to the model released last ...

Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and more for over 10 years. She is based in New York City and holds a master's degree from NYU. OpenAI ...

OpenAI is bidding adieu to 4o, a favorite model among many users. Chats with 4o will still be accessible after that date. The company says only 1% of its users still engage with 4o. It's a sad day for ...

During a livestream on Tuesday, OpenAI CEO Sam Altman announced the first major upgrade to ChatGPT’s image-generation capabilities in over a year. ChatGPT can now leverage the company’s GPT-4o model ...

Many ChatGPT users were frustrated by OpenAI’s decision to make GPT-5 the default model. Many ChatGPT users were frustrated by OpenAI’s decision to make GPT-5 the default model. is a news writer who ...