AI Engineering ／ Newtype
newtype · RAG in Practice and Knowledge Base Evolution
Huang Yihe 2024-03 → 2026-05 RAG practice. Early AnythingLLM/Open WebUI/Pinecone → Microsoft GraphRAG ($11 per query) → Cohere Command R+ → Milvus + MCP self-built vector database → 2026 Obsidian + NotebookLM final state. Key RAG optimization points / comparison of how different models handle RAG retrieval / document preprocessing / Embedding selection / Lao Huang's personal solution evolution