Peter Bull

@peter.drivendata.org

Co-founder DrivenData. Celebrating a decade of data for good. ML challenges | https://www.drivendata.org/ Data projects | https://drivendata.co/ Open source | https://github.com/pjbull

Exemplary FAQ for "Your Brain on ChatGPT: Accumulation of Cognitive Debt" www.brainonllm.com/faq I'd love to see more authors who are explicit about what NOT to claim based on a study, including wording for lay audiences that is not appropriate.

Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task

Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task

brainonllm.com

Thought I would spot check a application someone was posting about 100% vibecoding. Can you spot the issue? Kudos to the LLM, this is verbatim from the fastapi docs. Sometimes verbatim from the docs is not what you want for your application though....

Bild

How are people managing code review for their AI coding agents? I do a first glance and it is obviously bad (e.g., didn't refactor repeated code), and now I've got half a dozen AI diffs for things that aren't good enough cluttering up my todo list with things to respond to....

Great article on the challenges of only surfacing the right info to LLMs and editing down what is not needed. If you've used a coding copilot or agent, you've seen this first hand many times. Output iterations are often polluted with code that came before. www.dbreunig.com/2025/06/22/h...

How Long Contexts Fail

Taking care of your context is the key to building successful agents. Just because there’s a 1 million token context window doesn’t mean you should fill it.

dbreunig.com