This Github project uses a GPT model to parse PDF files, which can perfectly parse the layout, mathematical formulas, tables, images, and charts within PDFs. The average cost per page is $0.013. The steps to parse PDF files are as follows: 1. Use the PyMuPDF library to parse the PDF into non-text areas and text areas. Use the PyMuPDF library to parse the PDF into non-text areas and text areas, and then use a large visual model (such as GPT-4o) to parse and obtain a Markdown file.