Currently, OpenAI has two primary lines of models: GPT models and O models. The GPTs are traditional large language models, like GPT-4o or GPT-4.5, while the Os are reasoning models, meaning they can ...

Though GPT-4o had a cult following, it allegedly fueled delusions and even suicide. Even CEO Sam Altman thought it was 'annoying.' ...

On Jan. 29, OpenAI announced in a blog post that it would be retiring GPT-4o (along with the models GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini) on Feb. 13. OpenAI says it made this decision because the ...

In his One Useful Thing newsletter, Ethan Mollick explains what’s interesting about GPT-5: In general, AIs that “think” before answering (called Reasoners) are the best at hard problems. The longer ...

OpenAI has launched a new AI model called GPT-5.3 Codex, along with a new enterprise platform named Frontier. All you need to know.

OpenAI has released its new LLM model, GPT-5. The generative AI model—which will be available to consumers for free and will power the latest version of the popular ChatGPT bot—is OpenAI’s “smartest, ...

OpenAI's GPT-4o may have survived its first brush with going offline, but it won't be as lucky this time. OpenAI has ...

Imad was a senior reporter covering Google and internet culture. Hailing from Texas, Imad started his journalism career in 2013 and has amassed bylines with The New York Times, The Washington Post, ...

OpenAI is releasing its GPT-4.1 and GPT-4.1 mini AI models in ChatGPT, the company announced in a post on X Wednesday. The GPT-4.1 models should help software engineers who are using ChatGPT to write ...

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want rapid iteration, and long-running tasks when you need deeper reasoning and ...