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RAG is dead, long live agentic retrieval

Blog post from LllamaIndex

Post Details
Company
Date Published
Author
Sourabh Desai
Word Count
1,643
Company Posts That Month
11
Language
English
Hacker News Points
-
Post removed?
No
Summary

Retrieval-Augmented Generation (RAG) has evolved significantly from basic chunk retrieval to sophisticated agentic strategies, requiring AI engineers to master various techniques such as hybrid search and multi-modal embeddings. LlamaCloud's Retrieval services abstract these advanced techniques into an API, simplifying their use through top-level hyper-parameters. The blog outlines how to progress from naive top-k retrieval, where document chunks are stored in a vector database, to a comprehensive agentic retrieval system capable of querying multiple knowledge bases intelligently. It explains various retrieval modes, including auto_routed, which dynamically selects the appropriate retrieval method based on the query. The system can also handle multiple indices through a Composite Retrieval API, optimizing search paths with a lightweight agent layer that uses LLM-based classification. This approach ensures precise and relevant data retrieval, essential for modern agent-based systems, and positions agentic retrieval as the future of data retrieval systems.

Trends Found in this Post
Trend Post Mentions Total Month Mentions Posts Companies MoM
RAG 5 899 167 74 -45%
Vector Search 4 1,624 285 110 -19%
LLM 3 3,765 540 172 -11%
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