"For the first time, according to a new study shared with Gizmodo by Meta’s Fundamental AI Research Diplomacy Team, researchers trained an AI to attain “human level performance” in the war strategy board game Diplomacy. The new AI agent, named after the classical statesman and scholar who witnessed the fall of the Roman Republic, was able to effectively communicate and strategize with other human players, plan best methods for victory, and in some cases, even pass as a human. Now, the researchers say Cicero, which accomplished its tasks by combining dialogue and strategic reasoning models, stands as a “benchmark” for multi-AI agent learning."

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Title got me! — Diplomacy the war strategy board game.