L'IA peut-elle négocier de manière convaincante avec les humains en diplomatie ?

Meta's Cicero a combiné un grand modèle de langage avec un raisonnement stratégique pour jouer à Diplomacy à un niveau expert humain — y compris la formation de coalitions, le mensonge et la persuasion par le langage naturel.

Background

Meta’s Cicero integrates a large language model (LLM) with strategic reasoning to play Diplomacy at human-expert level, incorporating coalition formation, deception, and natural-language persuasion. Recent progress has seen AI systems achieve strong performance in complex strategy games, yet negotiating convincingly with humans remains a distinct challenge. Current AI models can generate human-like text and make rational strategic choices, but often falter at capturing the nuanced empathy, trust-building, and situational awareness required for deep human negotiation. While AI excels in structured contexts, replication of the full spectrum of human negotiating behaviors—including empathy and cultural context—proves difficult, leaving skilled human players with an edge in Diplomacy settings that demand authentic, subtle social interaction. — Enriched May 9, 2026 · Source: Harvard Business Review