OpenAI GPT-5.3-Codex and Frontier

OpenAI released GPT-5.3-Codex right at the same time of Anthropic releasing Opus 4.6. OpenAI understood that Coding Agents are where the hype is at right now. GPT 5.2 beats Pokemon Emerald autonomously, so expecting GPT 5.3 to do better at it. OpenAI introduced Frontier an enterprises AI control plane to build, deploy, and manage AI coworkers.

Sources: tweet 1, tweet 2, openai.com Introducing GPT 5-3 codex