Free deep-dives: multimodal RAG bottlenecks in order and shipping real agents
ubiquitous_tech · reddit · 2026-10-28
A practitioner released two free long-form walkthroughs: multimodal RAG bottlenecks ordered parsing→chunking→embedding→retrieval→reranking→generation (PDF tables, scans, multilingual, multi-vector), and production agents framed as LLM + tools + memory + stop conditions, with structured outputs, evals before multi-agent, and common prod failure modes. Recommends Karpathy's intro first and an exercise: one agent, three tools, pass/fail on 10 fixed scenarios before adding RAG.
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