ChatPDF alternatives
6 rag tools in the same lane as ChatPDF, ranked by editorial score.
HA
Humata.ai
RAG · Multi-model
7.8
Chat-with-your-documents RAG tool with citation-backed answers across uploaded PDFs and files.
Freemium· Free: $0 · Expert: $9.99 · Team: $49 / user · Enterprise: customdocument-qaresearch-summarization
AI
aiPDF
RAG
6.8
Chat-with-your-documents app that ingests PDFs, EPUBs, web pages and YouTube videos with cited answers.
Freemium· Playful: Free · Dynamic: $9/month · Flagship: $19/monthdocument-chatpdf-summarization
CW
Chat With PDF by Copilot.us
RAG
6.9
Conversational PDF Q&A bundled into a multi-app productivity membership.
Freemium· 7-day free trial; paid membership covers full app suitepdf-qadocument-summarization
EX
Explainpaper
RAG · Undisclosed (tiered basic vs. advanced)
6.8
AI reading companion that decodes dense academic papers by highlighting and chatting with the PDF.
Freemium· Free: $0/month · Pro: $16/month · Teams: Contact uspaper-readingresearch-summaries
DO
Docling
RAG · GraniteDocling 258M and other vision-language models
Open-source document parsing for AI: PDFs, Office files, audio and video into clean, structured Markdown/JSON
Free· Free and open source under MIT License. Hosted by the LF AI & Data Foundation; no paid tiers.RAG document ingestionPDF table extraction
KO
Kotaemon
RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)
7.0
Open-source RAG UI for chatting with your own documents, locally or self-hosted.
Free· Free, open-source (MIT-style); self-hosted infrastructure costs onlydocument-qaprivate-rag