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supreethrao t1_jdv1whe wrote

Hi, there’s already support for ‘gpt-3.5-turbo’ in llama index , the examples can found in the git repo . You can also switch for SimpleVectorIndex to a TreeIndex , this could lower your cost

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darkbluetwilight OP t1_jdv9560 wrote

You are a gentleman! There doesn't appear to be any documentation in the llama-index docs yet but there is support added via the langchain module. It looks like I can "from langchain.llms import OpenAIChat" and then use this function to build a new index using "gpt-3.5-turbo" model. I will give this a go and see if it works. I will look into Treeindex too, reading the docs around these different indexing tools was getting a bit too complex for me

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