A RAG-based language model (RAG) is a machine learning technique used in natural language understanding tasks. RAG is an AI framework that improves the efficacy of large language models (LLMs) by using custom data. RAG combines information retrieval with generative AI to provide answers instead of document matches.
Unlike traditional lightweight language models, which use single representations for entire entities or phrases, RAGs can represent entities and phrases separately and in different ways.
The primary advantage of using RAG-based language models is their ability to handle long-term dependencies and hierarchical relationships between entities and phrases in natural language. This makes them more effective in tasks such as dialogue systems, question answering, and text summarization.
RAG allows the LLM to present accurate information with source attribution. The output can include citations or references to sources. Users can also look up source documents themselves if they require further clarification or more detail. This can increase trust and confidence in your generative AI solution.
RAG uses an external datastore to build a richer prompt for LLMs. This prompt includes a combination of context, history, and recent or relevant knowledge. RAG retrieves relevant data and documents for a question or task and provides them as context for the LLM.
RAG is the cheapest option to improve the accuracy of a GenAI application. This is because you can quickly update the instructions provided to the LLM with a few code changes.
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