FactScope

Web Application • December 15, 2024

A free and open-source tool that helps verify content accuracy instantly. Think of it as Grammarly, but for factual accuracy instead of grammar. Analyzes content, identifies potential inaccuracies, and suggests corrections backed by reliable web sources.

Next.js
TypeScript
Claude
FactScope

Key Features

  • •Real-time fact checking of LLM generated content
  • •Source-backed verification using Exa.ai
  • •Detailed explanations for identified inaccuracies
  • •Suggestion-based corrections
  • •Built with Next.js App Router and TailwindCSS
  • •Powered by Claude 3.5 Sonnet (supports other LLMs)
  • •Vercel AI SDK integration

FactScope (Hallucinations Detector) is a free and open-source tool that helps verify content accuracy instantly. Think of it as Grammarly, but for factual accuracy instead of grammar. It analyzes content, identifies potential inaccuracies, and suggests corrections backed by reliable web sources.

How It Works

  1. Claim Extraction: Uses Claude 3.5 Sonnet to break down text into individual claims
  2. Source Verification: Each claim is checked using Exa's search tool
  3. Accuracy Analysis: Claims and sources are analyzed for accuracy
  4. Results Display: Shows results clearly with suggestions for fixes

Tech Stack

  • Search Engine: Exa.ai for advanced web search
  • Frontend: Next.js with App Router, TailwindCSS, TypeScript
  • LLM: Claude 3.5 Sonnet (compatible with GPT, Gemini, Llama)
  • AI Integration: Vercel AI SDK
  • Hosting: Vercel