1-Introduction.ipynb

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    "# Introduction\n",
    "\n",
    "- Open-source development framework for LLM applications\n",
    "- Python and JavaScript (TypeScript) packages\n",
    "- Focused on compostion and modularity\n",
    "\n",
    "Key value adds:\n",
    "1. Modular components\n",
    "2. Use cases: Common ways to combine components"
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    "## Components of LangChain"
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    "### Models\n",
    "- LLMs: 20+ integrations\n",
    "- Chat Models\n",
    "- Text Embedding Models: 10+ integrations"
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    "### Prompts\n",
    "- Prompt Templates\n",
    "- Output Parsers: 5+ implementations\n",
    "    - Retry/fixing logic\n",
    "- Example Selectors: 5+ implementations"
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    "### Indexes\n",
    "- Document Loaders: 50+ implementation\n",
    "- Text Splitters: 10+ implementation\n",
    "- Vector Stores: 10+ integrations\n",
    "- Retrievers: 5+ integrations/implementations"
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    "### Chains\n",
    "- Prompt + LLM + Output parsing\n",
    "- Can be used as building blocks for longer chains\n",
    "- More application specific chains: 20+ types"
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    "### Agents\n",
    "- Agent Types: 5+ types\n",
    "    - Algorithms for getting LLMs to use tools\n",
    "- Agent Toolkits: 10+ implementation\n",
    "    - Agents armed with specific tools for a specific application"
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