---
title: Things I Learned - 03 Dec 2023
date: 2023-12-03T00:00:00+00:00
categories:
  - til
description: I evaluated AI detectors like GPTZero, finding them more accurate than Undetectable.ai. I also learned about CoVA for OCR-based scraping and the necessity of maintaining short, reliable feedback loops when using LLMs to write or maintain code.
keywords: [llms, gptzero, undetectable.ai, cova, ocr, web scraping]
---

This week, I learned:

- [Gwern Branwen](https://gwern.net/tla) says LLMs nudge his "... making heavier use of the languages I don’t know well (Emacs Lisp & Python) since I increasingly trust that an LLM can help me maintain them."
- [Undetectable.ai](https://undetectable.ai/) checks for AI content. But it had false positives AND negatives in the 5 checks I ran. [GPTZero](https://gptzero.me/) got 2/2 right and seems better at detecting AI content.
- [CoVA](https://aclanthology.org/2022.ecnlp-1.11.pdf) scrapes web pages via OCR
- When coding with LLMs, have SHORT, RELIABLE feedback loops. [Ref](https://martinfowler.com/articles/exploring-gen-ai.html#memo-08)