The latest articles on DEV Community by Ward (@wardkh123). https://dev.to/wardkh123 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3353533%2F312be7c8-c345-4076-8c42-c9791131b5d1.png https://dev.to/wardkh123 en Ward Mon, 14 Jul 2025 11:47:22 +0000 https://dev.to/wardkh123/how-can-i-build-a-chatbot-that-answers-questions-only-based-on-hundreds-of-large-pdf-files-402i https://dev.to/wardkh123/how-can-i-build-a-chatbot-that-answers-questions-only-based-on-hundreds-of-large-pdf-files-402i <p>Hello everybody,<br> I have hundreds of PDF files containing valuable information, and I want to build a chatbot that answers questions exclusively based on the content of these PDFs.</p> <p>I tried using ChatGPT, but I encountered a limitation: the maximum upload size allowed is 300 MB, whereas my files exceed this limit.</p> <p>Is there a free solution or approach that allows me to work with larger PDF datasets and build a question-answering bot that only uses this data as its source?</p> <p>Any recommendations on tools, libraries, or frameworks that support this kind of setup would be greatly appreciated!</p> ai database chatbot