#semantic-caching

Unifying the three layers of inference caching (KV/Prefix, Prompt, Semantic) into a single decision framework with hit-rate targets, measurement points, and tuning levers for each layer.

LLM Gateway-level semantic caching strategy and implementation options comparison (GPTCache, Redis Semantic Cache, Portkey, Helicone, Bifrost+Redis)

kgateway + Bifrost/LiteLLM 2-Tier architecture with Cascade Routing, Semantic Router, and Hybrid Routing design patterns

LLM Classifier, CloudFront/WAF, Semantic Caching configuration