Why not call OpenAI?

[krrishdholakia]

Hey @srush, saw that you're using manifest for making OpenAI/LLM calls vs. calling it yourself - why is that?

https://github.com/srush/MiniChain/blob/b79ebc51bdedb836c9265eec2fcc21cd60b17327/minichain/backend.py#L206

context: I'm working on LiteLLM an abstraction library to simplify LLM API calls