Codex is different from GPT-3 in that it is a different model trained specifically on source code, and works better for that. I have access to Codex, when I cli

Codex is different from GPT-3 in that it is a different model trained specifically on source code, and works better for that. I have access to Codex, when I click on those playground links I see that the engine selected on the right is "davinci-codex" and it says "The Codex models are currently in private beta. Usage is free during this period" at the bottom.