AIHacker Noonabout 3 hours ago
Multi-Layer Semantic Caching for Production LLM Systems
11 min read
A multi-layer semantic caching architecture for production LLM systems reduced costs by 45-50% and improved P95 latency from 5 seconds to under 2 seconds. Caching agent planning decisions achieved a 50% hit rate. The system implements three cache layers: planner, summarization, and end-to-end, with freshness controls via BERT-based query classification.
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