How it works8 min read
Why AI makes things up about your PDF, and what actually fixes it
A confident wrong answer about a document you uploaded is not a bug in the model. It is what happens when nothing forced it to look.
On reading hard things, and on what AI gets wrong about them.
Written from the problems this product had to solve properly. Mostly about documents, retrieval, and the difference between having read something and feeling like you have.
Studying9 min read
How to study from a 400-page textbook without reading all of it
Reading a long textbook front to back is the slowest way to learn from it. A method for finding the load-bearing parts and actually keeping them.
Engineering10 min read
Chunking documents for AI: page breaks are the wrong place to split
Fixed-size and per-page chunking cut arguments in half, and the result is an answer faithful to a passage and wrong about the document.