It is a new version of GPT-5 that's been primarily optimized for coding. Hence this confusing name - GPT-5-Codex. This model is available inside all OpenAI cod

It is a new version of GPT-5 that's been primarily optimized for coding. Hence this confusing name - GPT-5-Codex. This model is available inside all OpenAI codex products. Yet to be available on Api The model is supposed to be better at code reviews and Comments than the other GPT-5 variant. It can also think/work upto 7 hours.