Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More OpenAI has released a new proprietary AI model in time to counter the rapid rise of open source rival DeepSeek R1 — but will it be enough to blunt the latter’s success? Today, after several days of rumors and increasing anticipation among AI users on social media, OpenAl is debuting o3-mini, the second model in its new family of “reasoners,” Al models that take slightly more time to “think,” analyze their own processes and reflect on their own “chains of thought”…