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Practical guides on writing better prompts, cutting token costs and building with LLM APIs, for ChatGPT, Claude and Gemini users.
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Oct 9, 20265 min read
RAG vs Fine-Tuning: A Developer Guide
RAG vs fine-tuning for your LLM app: when retrieval actually wins, when training a model wins instead, and why most real production systems end up using both.
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Sep 19, 20266 min read
Node.js RAG Pipeline: pgvector + OpenAI
Build a Node.js RAG pipeline with pgvector and OpenAI embeddings for grounded, source-backed AI answers without running a separate vector database.
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