unknown

I know this is pretty well established at this point, but Codex 5.3 is a much more effective model than Opus 4.6. I went back and forth on both for a bit, but haven’t touched Opus at all now for a full week. First model to get me off of Opus… ever. Good job Codex team.

jason liu

A retweet from mitchellh noting that Codex 5.3 is a significantly more effective model than Opus 4.6 for coding tasks, based on personal experience switching back and forth between the two models.