Alternatives to EpsteinGPT

Chat with any PDF, or turn PDFs into structured JSON through a REST API

Humata AI is a PDF AI that answers questions across your documents with citations linking back to the exact source passage

Google's source-grounded research assistant that answers only from the files you upload and cites the passage behind each claim

Google Gemini Notebook (formerly NotebookLM) delivers source-grounded AI research with cited answers and Audio Overview podcasts.

Sharly AI is a document research assistant that summarizes, cross-compares, and citations your PDFs and reports across a single thread.

Reddit Summarizer AI-summarizes any Reddit thread, subreddit, or search page and lets you chat follow-ups in-tab.

Wuko AI summarizes articles, PDFs, and YouTube videos by email — send a link to read@wuko.ai and get an AI summary back in seconds

Linfo.ai turns articles, YouTube videos and PDFs into clickable takeaways and one-click mind maps that link back to the source sentence.

Self-hosted RAG platform for private document Q&A with cited answers and graph-backed knowledge wikis.

Free local RAG chatbot from NVIDIA that answers questions over your own files on an RTX Windows PC

AnythingLLM is an MIT-licensed private AI assistant that runs document chat, meeting notes, and dictation on your own computer.

Chat with PDFs in plain language, auto-fill any PDF form from your own documents, and embed a website AI agent trained on your content.

Document AI that reads contracts, manuals, and policies in full, cites every answer, and acts through 100+ business apps.

Lookio builds sourced RAG assistants from your PDFs, CSVs, and sitemaps — callable via API, MCP, or a website widget.

Snipd is an AI podcast player that turns what you hear into searchable, shareable snips with transcripts and summaries.

ChatDOC is chat-with-PDF analysis that ties every answer to the exact sentence, table cell, or footnote in your source.

MyLensAI turns any webpage or YouTube video into a clickable, source-linked visual summary in one click.

Locus replaces Ctrl+F with natural-language search across web pages and PDFs in Chrome and Edge.

Self-hosted open-source AI assistant API that answers questions from your technical docs, GitHub Issues, and READMEs.

Documentation.AI drafts product docs, help centers, and API references from your code commits, tickets, and user feedback — then waits for

Chat with PDFs on your Mac — an AI PDF assistant with OCR, page-cited answers, and your own API keys.

Cody deploys business AI agents that answer from your own documents and cite the source on every reply

ChatPDF turns any PDF into a chat partner: ask questions, get cited answers, summaries, and translations in seconds.

LLM Council runs multi-model AI chat where up to six frontier models answer, peer-review, and a chairman delivers one verdict.

NotebookLM Featured Notebooks: expert-curated notebooks from The Economist, Eric Topol and more, with citation-grounded Q&A

Summarize any web page with this Chrome extension, then chat with it or hear it read aloud by voice

Casper AI summarizes web pages and PDFs into short, shareable notes in Chrome

OneDocs is a free, open-source desktop app that analyzes PDFs locally with 40+ AI models and zero uploads.

Chat with your PDFs, ebooks and YouTube links — get cited answers that jump to the exact page.

AI-written audio and text book summaries of business and self-help titles you can play or skim fast.