In a head-to-head comparison, o3-pro was far less reliable and secure, and reasoned excessively compared to GPT-4o.

Every few months, an AI lab in China that most people in the U.S. have never heard of releases an AI model that upends ...

A former OpenAI researcher published new research claiming that the company's AI models will go to great lengths to stay ...

OpenAI now lets users pick from all available models when building or running a custom GPT, but there'a catch.

ChatGPT's next big upgrade, or the new foundational model "GPT-5," is still being prepared for a release in the summer, but ...

o3‑pro, released June 10, is OpenAI’s most powerful reasoning model—best for the most demanding, reliability‑critical tasks, ...

Microsoft’s partnership with OpenAI is complicated, and the pair are intertwined both technologically and financially. While ...

Researchers at the company looked into how malicious fine-tuning makes a model go rogue, and how to turn it back.

Each model version has its own strengths. Some are faster, others are more accurate, and some are better at understanding nuance. While the names like “GPT-3.5” or “GPT-4” suggest a simple progression ...

Former OpenAI research leader Steven Adler has published a new independent study claiming that the company’s GPT-4o model often prioritizes self-preservation ...

OpenAI CEO Sam Altman implied the company’s next flagship large language model (LLM) would hit the market this summer. Asked ...

OpenAI and Microsoft are reportedly calling it quits, but disentangling AI integration from Microsoft programs could prove ...