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How to Build a Custom AI Research Assistant: A Step-by-Step Tutorial
1. Define Your Research Assistant's Core Purpose & Scope
- Identify the specific knowledge domain or topic your assistant will specialize in (e.g., competitor analysis, academic papers, market trends).
- Decide on the output format: summaries, bullet-point briefs, or full reports with citations.
- Set clear boundaries—what the assistant should ignore (e.g., outdated sources, non-English content) to keep results relevant.
2. Choose Your AI Model & Infrastructure Stack
- Select a base model: GPT-4o for deep reasoning, Claude 3.5 for long-context analysis, or a local open-source model like Llama 3 for privacy.
- Pick a deployment method: API-based (OpenAI, Anthropic), serverless (Replicate, Modal), or self-hosted (Ollama, vLLM).
- Decide on a vector database (Pinecone, Qdrant, or Chroma) if you plan to add a retrieval-augmented generation (RAG) layer.
3. Build the RAG Pipeline for Real-Time Knowledge Retrieval
- Ingest your source documents (PDFs, web pages, Notion exports) and chunk them into 500–1000 token segments for optimal retrieval.
- Generate embeddings using `text-embedding-3-small` or `all-MiniLM-L6-v2` and store them in your vector database.
- Implement a hybrid search (keyword + semantic) to improve recall when the user query contains specific terms or acronyms.
4. Craft the System Prompt & Instruction Template
- Write a structured system prompt that defines the assistant's persona, tone, and output
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