NanoIndex: Vectorless RAG That Actually Works on 200-Page Documents

Nanonets just open-sourced NanoIndex, an agentic RAG framework with no vector DB, no embeddings, no chunk tuning — powered by the #1 OCR model (OCR-3). It hits 94.5% on FinanceBench and 96% on legal docs, with pixel-level citations down to the bounding box.