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RAG & Knowledge Systems

X0 Gpt

X0 Gpt is a web application that lets users chat in natural language with websites and documents, including PDFs, CSVs and notes, to retrieve information and extract data.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

X0 Gpt — OpenViST project profile in RAG & Knowledge Systems.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use X0 Gpt when you want a chat-based way to query a website or supported document types, or when evaluating a codebase for a self-hosted document-chat application.

Who it is for

  • People who need to ask questions about website content or documents.
  • Developers interested in a self-hostable document-chat application.

Documented uses

  • Ask natural-language questions about websites.
  • Query PDFs, CSVs and notes through a chat interface.
  • Retrieve information or extract data from those sources.
Before you choose

Requirements & limits

The README lists a hosted production URL and local installation instructions. The public repository specifies an MIT license.

  • The README lists chat with websites, PDFs, CSVs and notes.
  • Local setup requires Supabase and Upstash credentials.
  • A Together AI key is marked optional, but its environment-variable name is presented inconsistently.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Prepare a local development setup

Clone the repository, configure the documented service credentials and start the development command.

Before you start

  • Bun
  • Supabase URL and anon key
  • Upstash Redis REST URL and token
  • QStash token
  • Upstash Vector REST URL and token

Steps

  1. Clone the repository with the documented Git command and change into the x0-GPT directory.

  2. Rename .env.example to .env.local and add the Supabase and Upstash values listed in the README.

  3. Add the optional AI key if needed; the README labels the variable OPENAI_API_KEY under its Together AI heading.

  4. Run the documented Bun commands: bun add, then bun run dev.

Expected outcome

The documented commands start the local development server after dependencies and environment variables are configured.

Guide limitations

  • The README does not provide a detailed walkthrough for adding a website or document and submitting questions.
  • The AI-key variable name and its heading are inconsistent; confirm the expected configuration before relying on it.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
17 October 2026
Original website title
SkidGod4444/x0-GPT · Official homepage title · retained in its source language
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