Show HN: A fact-checker where the model can't fabricate a quote

Category: ai-ml

Tags: fact-checking, llm, retrieval, nlp, web-search

Score: 4.7/10 (Innovation: 5, Technical: 4, Documentation: 3, Utility: 5)

Grounnel is a fact-checking tool that extracts claims from text and verifies each against open web sources, displaying verdicts inline with supporting passages and citations. Its key promise is preventing the model from fabricating quotes by grounding every verdict in retrievable source evidence.

Target audience: researchers, journalists, content moderators, and developers building verification tools

Repository: https://grounnel.vercel.app/

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