Should I use GPT 5.3 Codex or GPT 5.4 specifically for coding
OpenAI Developer Community
April 7, 2026
Hi!
GPT-5.3-Codex is a coding model. Unlike GPT-5.4, I would not use it for much else. That said, the right choice ultimately depends on your use case. GPT-5.3-Codex is also a bit cheaper, so it’s worth considering.
Discussion in the ATmosphere