From ChatGPT to Codex to Frontier -- OpenAI's Product Evolution

OpenAI has rapidly evolved from a single chatbot product into a multi-product company spanning consumer AI, developer tools, enterprise agents, and coding assistants. This module maps the product landscape -- GPT-5.x models, Codex, the Frontier enterprise platform, and the Realtime API -- so candidates can articulate exactly which products excite them and why.