OpenAI announced a new family of AI reasoning models on Friday, o3, which the startup claims to be more advanced than o1 or anything else it’s released. These improvements appear to have come from scaling test-time compute,

The latest AI model from OpenAI achieved an “impressive leap in performance” but it still hasn’t demonstrated what experts classify as human-level intelligence

Reasoning models are supposed to fact-check themselves by producing a step-by-step plan to find a correct answer.