> To access their best models via the API, OpenAI now requires you to complete a Know-You-Customer process similar to opening a bank account.

While this is true, you can download the OpenAI open source model and run it in Ollama.

The thinking is a little slow, but the results have been exceptional vs other local models.

https://ollama.com/library/gpt-oss

openai/gpt-oss-120b is in this blog post.