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title: Frequently Asked Questions | Developer Documentation
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##### [Large Language Models (LLM)](/python/framework/community/faq/llms/index.md)

Discover how to tailor LLMs, explore available models, understand cost implications, and switch between languages.

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##### [Embeddings](/python/framework/community/faq/embeddings/index.md)

How to customize the embedding, Which embeddings model choose, their pros and cons

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##### [Vector Database](/python/framework/community/faq/vector_database/index.md)

Get insights on personalizing vector databases, delve into database options

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##### [Query Engines](/python/framework/community/faq/query_engines/index.md)

Know more about query engines and their possibilities

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##### [Chat Engines](/python/framework/community/faq/chat_engines/index.md)

Know more about chat engines and their possibilities

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##### [Documents and Nodes](/python/framework/community/faq/documents_and_nodes/index.md)

Know more about documents and nodes and their possibilities.

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