I use my ChatGPT on my computer...

[Silverobama]

Last night, a group of friends were sitting together chatting about ChatGPT in English.

Silver: Do you use ChatGPT? How often?
Lynn: Yes, I talk with it from time to time.
Silver: Oh, you can talk with it.
Lynn: Yeah, I use it on my phone.
Silver: Wow. That's great. I use my ChatGPT on my computer instead of my phone so I can't talk with it.

Is the italic sentence okay?

 

[jutfrank]

I use it on my computer, not my phone, so I can't talk to it.

For your information, you can talk to it. You just need to download a plug-in.

 

[emsr2d2]

Last night, a group of friends were sitting together chatting in English about ChatGPT. in English.

Note my changes above. The fact that they were sitting together is entirely irrelevant. I've changed the word order because, as you wrote it, you were all talking about the topic "ChatGPT in English". That's not right. You were chatting in English, about the topic "ChatGPT".