With a ChatGPT Plus, Team or Enterprise account you now have access to 100 messages a week with the ChatGPT-o3 model and a ...

PM EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and ...

The FrontierMath benchmark from Epoch AI tests generative models on difficult math problems. Find out how OpenAI’s o3 and ...

A discrepancy between first- and third-party benchmark results for OpenAI's o3 AI model is raising questions about the ...

Learn how OpenAI's o3 and o4 models are setting new standards in generative AI, empowering businesses, developers, and ...

Historically, each new generation of OpenAI's models has delivered incremental improvements in factual accuracy, with ...

By OpenAI 's own testing, its newest reasoning models, o3 and o4 -mini, hallucinate significantly higher than o1.

OpenAI has finally released the full o3 reasoning model along with o4-mini. New models can use multiple tools inside ChatGPT ...

On Wednesday, OpenAI launched its latest reasoning models, o3 and o4-mini. As with its other o-series models, OpenAI’s o3 and o4-mini think for a longer period of time before responding in order ...

Epoch found that o3 scored around 10%, well below OpenAI's highest claimed score. That doesn't mean OpenAI lied, per se. The benchmark results the company published in December show a lower-bound ...