http://blog.agilephd.com/tags/rag/ Recent content in rag on AgilePhD Hugo -- gohugo.io en-us Wed, 19 Aug 2026 00:00:00 +0000 http://blog.agilephd.com/posts/llm_no_framework/ Wed, 19 Aug 2026 00:00:00 +0000 http://blog.agilephd.com/posts/llm_no_framework/ After rebuilding this script with LangChain a few times now, I wanted to try something different: skip the framework entirely and call the vendor SDKs directly. Partly out of curiosity, partly because I kept noticing that for a script this small (one PDF, one question, no agents, no multi-step tool calls), LangChain’s chains and retrievers were doing a fairly small amount of actual work under a fairly large amount of abstraction.