Different ai models, do they all cost 1 credit per response?

General
1

do some models cost more credits per response ? or are all 1 credit

eg gpt 3,5 and gpt 4 , both 1 credit or not ?

thanks

2

Yes. If you don’t add your API key, they all cost 1 credit at present. If you add your API key, we don’t charge you a credit.