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.

OpenAI has released an update for ChatGPT, raising concerns about the closure of AI companies. The update may weaken the position of AI firms built around PDF analysis. Some small AI companies could lose business opportunities due to OpenAI's updating initiatives. AI companies may face regulatory constraints, while giants like OpenAI remain in a favorable position. The continuous growth of ChatGPT boosts confidence in the AI industry.