Jakub Pachocki
Jakub Pachocki is a Polish computer scientist and former competitive programmer who currently serves as Chief Scientist at OpenAI, a position he assumed in May 2024 following the departure of Ilya Sutskever. He joined OpenAI in 2017 and previously served as Director of Research, where he led the development of GPT-4 and OpenAI Five, the system that defeated world champions at Dota 2. He holds a PhD in theoretical computer science from Carnegie Mellon University and has been recognized in TIME's 100 Most Influential People in AI 2025 for his work on scaling deep learning systems and reasoning models.
“No lab including OpenAI solved alignment enough to keep scaling at full speed.”
Source→“The idea of racing forward at all costs seems absurd once one internalizes the seriousness of the stakes, OpenAI chief scientist Jakub Pachocki wrote.”
Source→“Admits chain-of-thought monitoring is losing reliability as models get better at reasoning without verbalizing it.”
Source→AI-extracted from podcast / newsletter / paper summaries. May contain errors.