LangChain 101: Chains, Prompts, and LLM Integration
Mar 28 · 19 min read · TLDR: LangChain's LCEL pipe operator (|) wires prompts, models, and output parsers into composable chains — swap OpenAI for Anthropic or Ollama by changing one line without touching the rest of your code. 📖 One LLM API Today, Rewrite Tomorrow: The...
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