Codex

OpenAI. Versions are ordered by verified release date.

Demos

Eight tracks. One coding agent. GPT-5.3-Codex by OpenAI.
An entire reef to get lost in. GPT-5.3-Codex by OpenAI.

Models

GPT-5.3-Codex OpenAI.
OpenAI Codex OpenAI.

Archive Entries

OpenAI Codex OpenAI Codex by OpenAI.
A prompt became a Tetris game. OpenAI Codex by vertinski.
GPT-5.3-Codex GPT-5.3-Codex by OpenAI.