Why Is GPT-5.4 Mini Showing Up in My Codex Usage?
OpenAI Developer Community
June 29, 2026
VeitB:
> Afaik this is also true for the memory features in Codex.
Really? It would be nice to make that optional.
Especially considering it’s such a tiny percentage … (if we go by the OP stats) (thanks @rajeshamara )
My fear is that any errors with small models might put at risk context committed to the bigger models …
Discussion in the ATmosphere