Codex 5.5 use cases I found so far:
> made my internet faster
> made my local 6B SLM 3x faster
> made my macbook pro faster like new
> made a lightweight suite to write & test metal kernals
> made a skill to communicate with claude code in realtime
> made a pipeline to generate SFT dataset using Deepseek v4
> made a computer use workflow to fine tune models in Google Colab
> made 4 routines to test workflows on autopilot 3 times/day