GPT-5.5 is here! Available in the API, Codex and ChatGPT today

Sorin_Acela:

Models gpt-5.x, as evaluated by ChatGPT itself,

What is ChatGPT if not an evolved UI on top of gpt-5.x? Therefore the evaluator is the evaluated? If you can get good results from ChatGPT and consider it an authority, then clearly your API harness could be improved.