OpenAI this week announced an improved version of its o3 generative AI reasoning model, saying it performed better on benchmarks and is designed to spend more time thinking on difficult problems. The new model,

O3-pro is a version of OpenAI’s o3, a reasoning model that the startup launched earlier this year. As opposed to conventional AI models, reasoning models work through problems step by step, enabling them to perform more reliably in domains like physics, math, and coding.

Mistral on Tuesday launched Europe's first AI reasoning model, which uses logical thinking to create a response, as it tries to keep pace with American and Chinese rivals at the forefront of AI development.