Nobody's making you use the chat interface if you think it's changing on you. Use the API on OpenAI playground, where it has model versions.
Thanks, I do intend to explore the API when I have time. For now, ChatGPT was the lowest 'effort' (just throw money at it) in terms of exploring/leveraging LLMs. I sincerely hope the API exposes the real gpt, I read a twitter thread about a new content-filtering attributes being introduced in the response