Chat With Your PDF
A chatbot that "reads" your PDF never touches the whole file when you ask a question. It never sees the PDF at all. What it sees are a few small pieces of text you pick out and paste into the prompt. This lesson builds the first piece: turn a document into tex
8 lessons, each with runnable code in the browser.
- Turn a PDF Into Text You Can Search
- Turning Text Into Numbers: Embeddings
- Finding the Best Match: Cosine Similarity
- Retrieve Then Ask: Assembling the RAG Prompt
- Multiple Chunks: Top-K and Deduplication
- When the Answer Isn't in the Document
- Harden: Big PDFs, Embedding Cost, and Bad Input
- Ship: The Full Chat-With-PDF Pipeline