OpenAI Frontier Architecture

Master the architecture of OpenAI reasoning models (o1, o3-mini), reasoning effort controls, and modern API standards. Part of the free OpenAI Academy — every lesson below is open to everyone, no signup required.

// LESSONS IN THIS MODULE

1. 01Reasoning Models Architecture & Controls15 min · 400 XP

   OpenAI Reasoning Models: o1 & o3-mini OpenAI's reasoning models ( o1 and o3-mini ) are trained with reinforcement learning to generate internal chains...