Why AI Summaries of Long YouTube Videos and 300-Page PDFs Break Down

Why AI Summaries of Long YouTube Videos and 300-Page PDFs Break Down

Gemini, Gemini Notebook (formerly NotebookLM), ChatGPT and Claude can summarize a long video or a report of hundreds of pages, but each reads differently: some only a transcript, others only a PDF’s text and not its graphics. Free plans may not fit a 300-page document in working memory. Published limits help choose a tool and … Read more

Why AI Chats Forget Your First Instruction: Tokens and Context Windows

Why AI Chats Forget Your First Instruction: Tokens and Context Windows

A long conversation with an assistant eventually betrays you. In the opening message you asked for a formal register and no emojis; forty messages later the tone has loosened and the first emoji has surfaced. Nothing has malfunctioned. The drift follows directly from how large language models read text: at any moment they can only … Read more