RAG is dead, long live agentic retrieval
Blog post from LllamaIndex
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.
| 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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