Artificial intelligence is entering the era of self-improvement. On Thursday afternoon, OpenAI released a new cutting-edge coding model that the company said assisted in its own creation.

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

Want local vibe coding? This AI stack replaces Claude Code and Codex - and it's free ...

GitHub has added Claude and OpenAI Codex as native AI coding agents that work directly in repos, issues, and pull requests.