06:41
2026-05-31
dev.to
large-language-models
Stop Burning Cash on Long-Context RAG: Ephemeral Prompt Caching with Spring AI and JTokkit
A developer has outlined a method to reduce large language model costs by up to 90% in enterprise RAG pipelines using ephemeral prompt caching with Spring AI and JTokkit. The approach requires isolatiβ¦