INTRODUCING UPGRADES TO CODEX

Summary from the TLDR Web Dev newsletter

OpenAI has released GPT-5-Codex, a better version of GPT-5 optimized for agentic coding within Codex. Codex now integrates with ChatGPT and supports various platforms like terminals, IDEs, and even mobile apps. It has a revamped Codex CLI, a new IDE extension, improved cloud infrastructure, and code review capabilities trained to catch flaws before deployment.