Trolley Problem Model Comparison Game

Nicolas Bustamante built a trolley problem game comparing GPT-6, Claude Sonnet 5, and Jev on the same scenario with two choices.

View on X

Nicolas Bustamante@nicbstme𝕏

GPT-6 will jump in front of a tram to save 5 people. Claude Sonnet 5 won’t. Why? I've always loved moral philosophy and these uncomfortable thought experiments. Ruwen Ogien was my favorite author in high school, and I watched all of Michael Sandel’s Justice lectures at Harvard. I built a little trolley problem game with GPT-6, Claude Sonnet 5 and Jev. Same scenario, two choices. You watch their tr

Sep 19, 2026X postsView on X

Bustamante says he has long been interested in moral philosophy and uncomfortable thought experiments. He names Ruwen Ogien as a favorite author from high school and says he watched Michael Sandel’s Justice lectures at Harvard.

Also filed under Games & real time

Benchmarks Jev on Pokémon Red
The project benchmarks Jev, TypeSafe’s fast decision model, against Jev paired with a GPT-6 Sol planner for playing Pokémon Red.
Plain-English Cellular Ecosystem Simulator
LifePot is a cellular automaton-inspired ecosystem that users describe in plain English. Jev turns those inputs into species, feeding relationships, reproduction strategies, and environmental conditions.
Mapping Children's Behavioral Intent in Games
Mores Research used Jev to map children’s behavioral intent in games and examine how it correlates with real-world behavior. It reports mapping intents across 45+ real sessions involving 20 child users over a long horizon.
StarCraft Agent for Fast Tactical Decisions
Jev_Star is a StarCraft agent experiment that uses Jev for fast tactical decisions.