Free

$0

14-day money-back guarantee

Online AI Models
ChatGPT, Gemini, Claude, DeepSeek, Grok, OpenRouter, Qwen, Mistral, Kimi, GLM, SiliconFlow
Chat multiple PDFs limit
5
Built-in Local LLMs
All(gpt-oss-20b, gemma3-1b, gemma3-4b, qwen3-8b,...)
Ollama
Support
MCP Server
Support
Customized API
Support
Automic update the latest AI Models
Yes
Automic update the latest local LLMs
Yes
AI Chat limit
30 free chat trials
Seats(Devices)
1
Customer Support
-

Basic

$39

14-day money-back guarantee

Online AI Models
ChatGPT, Gemini, Claude, DeepSeek, Grok, OpenRouter, Qwen, Mistral, Kimi, GLM, SiliconFlow
Chat multiple PDFs limit
10
Built-in Local LLMs
None
Ollama
No
MCP Server
Support
Customized API
No
Automic update the latest AI Models
No
Automic update the latest local LLMs
No
AI Chat limit
Unlimited AI Chat
Seats(Devices)
1
Customer Support
Email
✨ Ultimate

Premium

$59

14-day money-back guarantee

Online AI Models
ChatGPT, Gemini, Claude, DeepSeek, Grok, OpenRouter, Qwen, Mistral, Kimi, GLM, SiliconFlow
Chat multiple PDFs limit
20
Built-in Local LLMs
Part(gpt-oss-20b, gemma3-1b,...)
Ollama
Support
MCP Server
Support
Customized API
Support
Automic update the latest AI Models
Yes
Automic update the latest local LLMs
Yes
AI Chat limit
Unlimited AI Chat
Seats(Devices)
2
Customer Support
Email(Reply within 24 hours)

Business(For Teams)

$99

14-day money-back guarantee

Online AI Models
ChatGPT, Gemini, Claude, DeepSeek, Grok, OpenRouter, Qwen, Mistral, Kimi, GLM, SiliconFlow
Chat multiple PDFs limit
50
Built-in Local LLMs
All(gpt-oss-20b, gemma3-1b, gemma3-4b, qwen3-8b,...)
Ollama
Support
MCP Server
Support
Customized API
Support
Automic update the latest AI Models
Yes
Automic update the latest local LLMs
Yes
AI Chat limit
Unlimited AI Chat
Seats(Devices)
5
Customer Support
Email(Reply within 24 hours)
FAQ

Any Questions? Answered

How many business LLMs are supported now?

PapersGPT now supports gpt-5, gpt-5-mini, gpt-5-nano, gpt-4o, o4-mini, o3-mini of OpenAI. claude-4.5-sonnet, claude-4.5-haiku, claude-4.1-opus, and all claude-3 serie models, gemini-2.5-pro, gemini-2.5-flash, deepseek, qwen, mistral, glm4.6 and kimi .

Where to download PapersGPT?

Through the Download button in the upper right corner of the website homepage, you can download the latest PapersGPT version for Zotero 7 or 8.

Do all supported large language model API KEYs need to be configured?

No, You only need to configure your personal API KEY of the LLMs. Such as OpenAI, Anthropic or Gemini API Key. If you configure the API Keys for all supported LLMs, it would be very helpful and convenient for you to switch between multiple LLMs in a chat conversation.

How many Open Source free LLMs are supported now?

Llama3.1, Gemma 3, deepseek-distill-qwen, gpt-oss, Phi-3.5 and Mistral

Can free LLMs be used on Windows?

Yes, now the build-in free LLMs could be accessed on the Mac, Windows or Linux.

Should free LLMs be downloaded manually?

No, the selected LLM is automatically downloaded, installed and runned only by just one click.