OpenSpiel
activeMost widely used framework for game-theoretic reinforcement learning research. Open-source library by Google DeepMind (Marc Lanctot et al.). Supports extensive-form games, normal-form games, and multi-agent RL environments.
Organizations
1| Cooperative AI Foundation | Research foundation with $15M funding (from Macroscopic Ventures) studying how AI systems can learn to cooperate and how to design environments incentivizing cooperation. Co-founded by Allan Dafoe (now Director of Frontier Safety and Governance at Google DeepMind), Gillian Hadfield, and others. Published foundational "Open Problems in Cooperative AI" (2020). Key focus areas include multi-agent cooperation, preventing destructive AI competition, and human-AI coordination. |
People
2| Noam Brown | Researcher at OpenAI (formerly Meta AI). Built CICERO — AI achieving human-level Diplomacy (published in Science 2022), requiring negotiation, alliance formation, and multi-party coordination. Also built Pluribus (6-player poker AI). |
| Constantinos Daskalakis | Professor at MIT. Proved computing Nash equilibria is PPAD-complete, fundamentally resolving a question open since Nash's 1951 theorem. Nevanlinna Prize (2018). ACM Fellow (2022). Also contributed to optimal multi-item auction design. |
Related Projects
1| CICERO | Meta AI agent achieving human-level performance in Diplomacy — a game requiring negotiation, alliance formation, and multi-party coordination. Published in Science (2022). Demonstrated AI can learn complex multi-party coordination with humans. |
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