The Hallway Track
Engineering Insights

NarrateAI: production-ready LLM quality assurance on Amazon Bedrock

AWS Machine Learning Blog · Sep 25, 2026 · Engineering Insights

AWS's NarrateAI achieves ~99% numerical accuracy for executive BI queries using five production LLM QA techniques on Bedrock.

AWS details NarrateAI, an internal agentic AI assistant serving 4,000+ executive leaders that combines five coordinated techniques—adaptive pipeline orchestration, cross-account multi-model failover, real-time streaming evaluation, composite evaluation, and data accuracy verification—to hit ~99% numerical accuracy on live business queries. The post is notable as a rare production case study showing how AWS itself deploys and quality-assures LLMs at enterprise scale. Engineers building high-stakes LLM applications will find the layered QA architecture directly applicable, particularly the two-stage hallucination cascade that escalates from exact matching to semantic verification only when needed.

amazon-bedrock llm-quality-assurance agentic-ai production-llm business-intelligence hallucination-prevention

Watch / read the original source →