Three Sigma
AI research assistant that answers questions by searching and analyzing your uploaded documents and folders.
| What is it | AI research assistant that answers questions by searching and analyzing your uploaded documents and folders. |
|---|---|
| Pricing | Paid — from $14/mo |
| Free tier | No |
| Platform | Web Application |
| Best for | Analyzing financial reports and earnings documents, Conducting academic research across multiple papers |
| Domain registered | 2023 |
Data updated Aug. 1, 2026
What does Three Sigma do?
Three Sigma is an AI-powered research tool designed to help you find answers within your own documents. Instead of manually reading through PDFs, spreadsheets, and presentations, you simply upload your files and ask questions in plain English. The tool searches across entire folders of documents simultaneously, pulling relevant information from financial statements, reports, analyses, and more to deliver precise answers. It's like having a research assistant who's read everything in your digital filing cabinet and can instantly recall the details you need.
What sets Three Sigma apart is its commitment to transparency. Unlike many AI tools that operate as 'black boxes,' this one shows you exactly how it arrived at each answer by citing specific sources from your uploaded documents. This feature is crucial for professionals who need to verify information. The tool also offers a ChatGPT plugin for seamless integration and a 'free solo' mode for general questions when you don't have documents to reference. It uses advanced parsing technology that has been refined on millions of pages, aiming for high accuracy in understanding complex document structures.
This tool is a significant time-saver for anyone who regularly works with large volumes of documents. Financial analysts can use it to quickly compare quarterly earnings across multiple reports. Students and academics can upload research papers and ask for summaries or specific data points. Business professionals can get instant answers from contracts, risk assessments, and strategic plans. By cutting down the time spent searching for information, Three Sigma lets you focus on analysis and decision-making rather than manual document review.
Key features
What makes it stand outWho is Three Sigma for?
Who benefits most from this toolPricing
Standard
- 750 max file pages
- 750 pages per month
- 250 gpt3 questions per month
- 250 gpt4 questions per month
- ChatGPT Plugin
- Fully encrypted data
- Supports Pdfs, Word Documents, and Powerpoints
- Multiple AI models for reliability and better performance
- Search across documents (coming soon)
Trust & presence
Gallery
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