In addition to architectural changes, OpenAI opted not to increase GPT-5's context window, which you can think of as its long ...

GPT-5 is more than an upgrade. It aims to be a single, smarter system that blends reasoning, multimodality, cost efficiency, ...

Decision to use MXFP4 makes models smaller, faster, and more importantly, cheaper for everyone involved Analysis Whether or not OpenAI's new open weights models are any good is still up for debate, ...

With safer design, more robust reasoning, expanded developer tooling, and broad user access, GPT-5 reflects a maturing AI ecosystem.

Sam Altman, CEO of OpenAI, described the new model as a “major leap” toward reaching artificial general intelligence.

OpenAI’s o3 price plunge changes everything for vibe coders June 18, 2025: o3 used to be too slow and too expensive for daily coding—no longer.

ChatGPT's o3 is OpenAI's best model to date because it features reasoning, and it might get even better in the next update. As spotted on X, OpenAI is testing a new "Alpha" variant of the o3 model ...

OpenAI released two open-weight language models Tuesday that deliver performance matching its commercial offerings while ...

And yet, recently, Gemini 2.5 Pro and OpenAI’s o3 scored 86.7% and 88.9%, respectively, in the American Invitational Mathematics Examination, a key math benchmark for AI models.