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Updated 3 months ago

What is the default chunk size for splitting documents into excerpts?

What is the default chunk size for splitting documents into excerpts?
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Please stand by @Dan as I search the knowledge base. We are experiencing especially high traffic right now and might take longer than usual. :wave:
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The default chunk size for splitting documents into excerpts is not explicitly mentioned in the provided extracts. However, in the examples provided, the chunk size is often set manually when creating the ServiceContext or LLMPredictor objects. For instance, in some examples, the chunk size is set to 512 or 1024.

Here is an example of how the chunk size is set when creating a ServiceContext:

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service_context = ServiceContext.from_defaults(chunk_size=512, llm_predictor=llm_predictor)


And here is an example of setting the chunk size when creating an LLMPredictor:

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llm_predictor = LLMPredictor(llm=ChatOpenAI(temperature=0, model_name="gpt-4", streaming=True))
service_context = ServiceContext.from_defaults(chunk_size=1024, llm_predictor=llm_predictor)


Please refer to the LlamaIndex documentation () for more details on the default settings and how to customize them.
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the default is 1024 right now
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