OpenAI launches a pair of AI reasoning models, o3 and o4-mini

OpenAI announced on Thursday the launch of o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding. The company calls o3 its most advanced reasoning model ever, outperforming the company’s previous models on tests measuring math, coding, reasoning, science, and visual understanding capabilities. Meanwhile, o4-mini offers what OpenAI says is a competitive trade-off between price, speed, and performance — three factors developers often consider when choosing an AI model to power their applications. Unlike previous reasoning models, o3 and o4-mini can generate responses using tools in ChatGPT such as web browsing, Python code execution, image processing, and image generation. Starting today, the models, plus a variant of o4-mini called o4-mini-high that spends more time crafting answers to improve its reliability, are available for subscribers to OpenAI’s Pro, Plus, and Team plans. The new models are part of OpenAI’s effort to beat out Goo ... Read full article.