Full swap to Codex

With the constant API errors of Anthropic as was as the much better coding capabilities of Codex, iโ€™m wondering how easy it is to switch everything over to my ChatGPT sub?

is there a native way or is it all done with skills and plugins?

ideal setup:
- GPT-5.2 for orchestration
- GPT-5.2-Codex-High for execution

is there a proven setup for this?
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