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AI Agents Need Smarter Data: OpenSearch's Next Challenge
17 Sep
Summary
- AI agents require reliable context, often through multiple steps.
- OpenSearch offers hybrid search for semantic and lexical matching.
- New serverless options aim to cut costs and improve AI agent scaling.

Enterprise AI agents depend on reliable access to business information, operational data, and past decisions, often requiring multiple retrieval steps. A recent survey highlighted that 68% of businesses experience context-related errors with AI agents. OpenSearch is developing strategies to make this context not only retrievable but also trustworthy.
Amazon OpenSearch Service integrates various retrieval capabilities, including full-text search, vector retrieval, and hybrid search. Hybrid search is crucial for enterprise AI, as it combines semantic retrieval for meaning-based results with lexical matching for precise identification of terms and codes. This integration allows organizations to leverage existing OpenSearch deployments for AI workloads, potentially reducing the need for additional infrastructure.
The economics of search are being reshaped by AI agents, which exhibit unpredictable retrieval demands. AWS's OpenSearch Serverless service addresses this by separating compute and storage, offering rapid autoscaling and significant cost savings compared to provisioning for peak demand. The focus for enterprises is shifting towards the total cost per successfully completed agent task, rather than just cost per token.
Beyond retrieval, AI agents generate extensive logs and traces, creating an observability challenge. AWS offers an optimized log analytics engine that combines columnar analytics with full-text search for efficient error investigation. This can help reduce investigation effort and retain useful historical data economically.
Managing agent memory is distinct from institutional memory. While OpenSearch 3.5 introduced persistent agent conversation memory, the broader enterprise challenge lies in distinguishing between temporary conversation logs and durable institutional knowledge like policies and business definitions. Future retrieval platforms will be tested on their ability to help applications manage these distinctions, preserving provenance, applying corrections, and preventing erroneous outputs from being treated as trusted evidence.