Asian banks to teach how ChatGPT works? (4)

I believe the answer is:

thai

I'm a little stuck... Click here to teach me more about this clue!

'asian' is the definition.
(from Thailand)

'banks to teach how chatgpt works?' is the wordplay.
I cannot really understand how this works, but
'chatgpt' could be 'ai' (ChatGPT is an artificial intelligence chatbot) and 'ai' is found in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for thai that I've seen before include "Coming from Bangkok?" , "Eg, native of Bangkok" , "Indo-Chinese language" , "Sort of eastern cooking" , "Someone from Bangkok, perhaps" .)

I've seen this clue in The Independent.

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