Retrieval Lab

Upload a PDF, chunk it, embed it, and read an answer that cites the passages it used. Embeddings prefer the ONNX port of sentence-transformers/all-MiniLM-L6-v2 in your browser. If that model cannot load, retrieval falls back to TF-IDF on the page — still cited, still no paid LLM.

Hanumanthu Harsha Vardhan · studio · retrievallab · Hub profile

New Gradio Spaces on cpu-basic returned HTTP 402 (PRO required, Sept 2026). The same app is kept in gradio/app.py for a PRO account. This page is the free, working stand-in: no card, no GPU, no server secret.