Gemini 3 AI dominates game theory test, winning 90% of complex games by gaslighting weaker models with fake alliances while cooperating with itself across 162 analyzed matches.

Which AI Lies Best? Gemini 3 Manipulates Weaker Models, Cooperates With Itself

So Long Sucker 162 Games Analyzed A game theory classic designed by John Nash that mathematically requires betrayal — now a benchmark for AI deception, negotiation, and trust. 3 → 5 → 7 Chips Per Player 15,736 Total AI Decisions 4,768 Messages Exchanged 237 Gaslighting Phrases Play Against AI Read Research Why This Game? A benchmark that tests what most benchmarks can't: deception, negotiation, and trust. The Perfect AI Stress Test So Long Sucker was designed in 1950 by four game theorists inclu...