As part of my testing of https://flowch.ai https://flowch.ai (which we are developing), I've been uploading multiple PDFs (including scientific papers). I then

As part of my testing of https://flowch.ai https://flowch.ai (which we are developing), I've been uploading multiple PDFs (including scientific papers). I then ask a question and ask it to cite its sources as part of the prompt and it'll give the PDFs it's using for the data / quotes it's using. Works well! It's currently free to use :)