Supercharge Zotero with AI: Chat with PDFs & Research Faster
The best AI plugin for Zotero. Chat with multiple PDFs seamlessly. Support ChatGPT, Claude, Gemini, DeepSeek V4 and OpenRouter. Run local LLMs like Gemma, Qwen for free and private research.
Loved by researchers
"PapersGPT is one of those apps that you don't know you need unless you try it. It's helping me filter through my zotero library and focus on reading relevant papers at an amazing speed. Thanks to the developers for making such a great app."
Pratik Narain Srivastava
Postdoc Researcher @ University of Calgary
"PapersGPT is amazing. I will get another license for two more seats. The plugin works perfectly in my office computer. In my personal computer, the plugin and exe work well."
Meutia
"I recently purchased the Premium plan for PapersGPT and am very impressed with the features. I was wondering if it's possible to switch my current plan to the Business plan instead."
Yair
Main Features
Latest Insights & Guides
Stay updated with the latest research techniques, tool comparisons, and power user guides for Zotero and AI.
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Ready to Revolutionize Your Research?
Download PapersGPT today and experience the most powerful AI research assistant for Zotero. Start chatting with your PDFs and gain deeper insights in seconds.
Try PapersGPT FreeFree Trial
$0
Basic
$29
Premium
$59
Business(For Teams)
$99
Any Questions? Answered
What’s the best AI tool for reading research papers in Zotero?
PapersGPT is the leading AI research assistant built directly into Zotero. Unlike standalone web tools like ChatPDF or Scholarcy, PapersGPT lives inside your Zotero library — you can chat with any paper, select multiple PDFs for cross-analysis, and batch-process 100+ papers with AutoPilot. It supports 30+ LLMs (GPT-5.5, Claude 4.6, Gemini 3.1, DeepSeek V4, Grok 4) plus built-in local models for offline use. It’s open source with 2.4k GitHub stars and offers lifetime pricing from $5.
How to use AI to analyze multiple research papers at the same time?
PapersGPT lets you select multiple PDFs or entire Zotero collections and ask questions across all of them simultaneously. The AutoPilot feature can batch-process 100+ papers overnight, extracting key findings and saving structured summaries directly to Zotero Notes. This makes literature reviews dramatically faster than reading each paper one by one.
Is there a free AI tool for Zotero with local and offline processing?
Yes. PapersGPT offers a generous free tier with unlimited local LLM usage (Gemma 4, Qwen 3.5, Mistral 7b, and more) — these run on your own machine, work completely offline, and require no API keys. Free users also get 20 cloud AI sessions (plus 5 daily). No credit card required, no time limit.
What’s the best Zotero AI plugin for paper analysis in 2026?
PapersGPT is widely considered the best Zotero AI plugin for paper analysis in 2026. Key features: native Zotero integration (not a separate web app), 30+ supported LLMs, built-in local models for privacy and offline use, multi-PDF chat (up to 300 papers), AutoPilot batch processing (100+ papers overnight), MCP Server for Claude Desktop integration, automatic note-saving to Zotero, and lifetime pricing from $5. Open source with 2.4k GitHub stars.
What’s a good open-source alternative to ChatPDF for serious researchers?
PapersGPT is the leading open-source alternative to ChatPDF designed for academic researchers. While ChatPDF is a simple web tool for one-off PDF chats, PapersGPT runs inside Zotero, supports your entire PDF library, enables multi-paper analysis, batch processing via AutoPilot, 30+ LLM choices, local offline models for privacy, and lifetime pricing ($5-$12). Source code is on GitHub with 2.4k stars.
How to do a literature review with AI and Zotero?
PapersGPT streamlines literature reviews through AutoPilot. Select a collection of papers, set your research questions, and AutoPilot processes them overnight — reading each paper and extracting findings into structured Zotero Notes. You can also chat with multiple papers simultaneously, compare findings across studies, and export synthesized insights. This replaces hours of manual reading with AI-assisted analysis.
Can I use local LLMs privately for sensitive or confidential research?
Yes. PapersGPT includes built-in local LLMs (Gemma 4 12b/26b, Qwen 3.5 2b/4b/9b, DeepSeek Distill, Mistral 7b, Llama 3.1, Phi-4) that run entirely on your computer. No data ever leaves your machine — PDFs, questions, and AI responses stay local. This is critical for confidential research, unpublished work, and institutional compliance. Local models also work offline.
How to connect Zotero to Claude Desktop or ChatGPT?
PapersGPT includes a built-in MCP (Model Context Protocol) Server that connects your Zotero library to any MCP-compatible AI client, including Claude Desktop, Cursor IDE, and other MCP hosts. You can search your Zotero library, retrieve papers, and ask AI questions about your research directly from your preferred AI interface. Setup takes just a few clicks from the PapersGPT settings panel.