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> When OpenAI released GPT-4, we were able to change one parameter, and everything still just worked.

Wouldn't that be the same if you used the OAI js library directly? Basically swapping the model parameter?

It's not. The API is different, since GPT-4 is a chat based model, and davinci isn't. It's not a huge difference, but these little sort of things add up.

I see, thought you were using GPT-3.5 and moved to GPT-4.

It is a very minor change (made the changes in minutes and didn't have to bring in a new framework for it).

Agreed. It's a trivial change, certainly not a justification for using langchain.

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