Document Chat System
Document Chat System
Transform documents into intelligent conversations with AI. Open-source document chat platform with semantic search, RAG (Retrieval Augmented Generation), and multi-provider AI support (OpenRouter, OpenAI, ImageRouter).
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Your product? Claim it to see where they come fromAbout Document Chat System
Document Chat System is an open-source, MIT-licensed platform for uploading documents and chatting with AI about their content. Users drag and drop PDFs, DOCX, TXT, Markdown files and images; the system extracts text and metadata (including OCR for scanned files), chunks and embeds the content, and indexes it for semantic and hybrid search via Pinecone or PostgreSQL pgvector. Questions in natural language return answers with citations to source documents using retrieval augmented generation.
Chat runs through OpenRouter (100+ models), OpenAI or ImageRouter, with streaming responses and conversation history. Users supply their own AI provider API keys. The platform includes multi-tenant organizations with role-based permissions, nested folders, team invitations and background job processing with Inngest. It is built with Next.js 15, React 19 and TypeScript.
It can be self-hosted on Vercel or any Docker-compatible platform. An optional Stripe integration lets operators run their deployment as a white-label SaaS with subscription plans and usage limits. Suggested uses include knowledge bases, customer support, developer documentation, compliance libraries and education.
Best for
- Developers self-hosting a document AI tool
- Founders launching a white-label document chat SaaS
- Teams building searchable internal knowledge bases
- Support teams answering from manuals and policies
Pros
- Open source under the permissive MIT license
- Supports OpenRouter, OpenAI and ImageRouter model providers
- Answers include citations to source documents
- Optional built-in Stripe billing and multi-tenancy for SaaS use
Cons
- Requires users to supply their own AI provider API keys
- Self-hosting depends on several third-party services such as Pinecone, Supabase and Inngest
Pricing
The software is free and open source to self-host; example plans for monetized deployments are shown as Free ($0), Starter ($29/month), Professional ($99/month) and custom Enterprise, all customizable by the operator.
Document Chat System FAQ
- Which AI models are supported?
- Any model on OpenRouter (100+ including GPT-4, Claude, Llama and Mistral), OpenAI directly, or ImageRouter for image generation, with switching between providers.
- Do I pay for AI usage?
- The platform is free, but chat features require configuring your own AI provider API keys.
- How can it be self-hosted?
- Deploy to Vercel with an automated setup script or use the included production Dockerfile on platforms like AWS, GCP, Azure, DigitalOcean, Railway or Render.
- Can I charge users for my deployment?
- Yes, an optional Stripe integration provides subscription plans, usage limits and billing; it can be disabled entirely.
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