Upload files in chat ( PDF, PNG, … )

If you want your users to be able to upload PDF files, you have two choices:

  • Use an OpenAI Assistant — Learn how to use Assistants. In AI Engine, you can enable the File Search option in your chatbot settings, which allows the assistant to accept files for discussion threads.
  • Use a Claude model — Claude models with vision enabled accept PDFs as if they were images, so you’ll be able to upload them and get a response.

For the vision-compatible model, a checkbox will appear—simply check it to enable an upload field in the chatbot, allowing you to upload image documents during chat.

Notion image
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