OpenAI
OpenAI's language model tracked by Epoch, focused on language modeling/generation.
Visit official pageModality
Text
License
Proprietary
Released
2026-02
AIDB Score
92
GPT-5.3 Codex is built by OpenAI and indexed in AIDB, the searchable database of every major AI model. Compare it against alternatives, find similar models, or browse other AI tools used in General.