You can simply register on the site. The mobile number must be genuine because you will receive an authentication code. You can have an amazingly good chat with this AI. Of course there are limits to the possibilities but I don't want to know what it will look like in 5 years.

https://chat.openai.com/chat

Also in German, I only had to ask once if I could write in German.

'14 4/4 graphite grey