Valve dev says ChatGPT pointed him to the Hungarian algorithm now used in Deadlock matchmaking
the_nth_account · x · 2026-10-24
Amid the ongoing AI-in-games flamewar, a screenshot of a report shows Valve's Dunn used ChatGPT as an advanced search engine: he described the matchmaking algorithm he wanted for Deadlock, and ChatGPT accurately recommended the Hungarian algorithm, which is now used for hero selection matchmaking. Critics argue this isn't "vibecoding" the game — he used it like Google AI Overview — while defenders note Valve is in one of its most productive phases and surely uses coding agents too.