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SPIRAL:零和游戏自对弈成为语言模型推理训练的「免费午餐」
机器之心· 2025-07-30 05:13
Core Insights - The research introduces SPIRAL, a framework that utilizes self-play in zero-sum games to enhance reasoning capabilities in language models without relying on human supervision [3][33]. - The study demonstrates that competitive self-play can lead to significant improvements in reasoning skills, as evidenced by a 8.7% increase in mathematical reasoning ability and an 18.1 percentage point improvement on the Minerva Math benchmark [7][30]. Group 1: Research Background - The collaborative research involves institutions such as the National University of Singapore and A*STAR, focusing on scalable autonomous agents capable of intelligent decision-making in unknown environments [1]. - The success of models like OpenAI's o1 and DeepSeek-R1 highlights the potential of reinforcement learning to enhance reasoning capabilities in language models [2]. Group 2: SPIRAL Framework - SPIRAL employs self-play in zero-sum games to autonomously discover and reinforce generalizable reasoning patterns, eliminating the need for manually designed reward functions and expert supervision [3][6]. - The framework utilizes a distributed online multi-agent reinforcement learning system for fine-tuning large language models across various two-player zero-sum games [24]. Group 3: Game-Based Training - The research identifies three games with distinct cognitive demands—TicTacToe, Kuhn Poker, and Simple Negotiation—as effective training environments for enhancing reasoning skills [12][11]. - The self-play mechanism allows for adaptive difficulty adjustments, ensuring continuous evolution of the model's capabilities [11]. Group 4: Transfer of Skills - The study reveals that reasoning patterns developed in games can transfer to mathematical problem-solving, with specific skills like expected value calculation and case analysis showing significant migration rates [18][19]. - The multi-game training approach leads to synergistic effects, enhancing performance in unfamiliar games compared to single-game specialists [21]. Group 5: Technical Innovations - The introduction of Role-Aware Advantage Estimation (RAE) prevents "thinking collapse," ensuring stable gradient updates and consistent reasoning generation throughout training [26][28]. - The SPIRAL framework has shown effectiveness even in strong models, with notable performance improvements in established benchmarks [30]. Group 6: Practical Implications - SPIRAL offers a novel approach for researchers and engineers aiming to enhance model reasoning capabilities without the need for extensive high-quality reasoning data [35]. - The findings suggest that pre-trained models already contain various reasoning patterns, and reinforcement learning can help identify and strengthen those that are truly generalizable [35]. Group 7: Limitations and Future Directions - Despite its successes, SPIRAL faces limitations such as the need for carefully designed game environments and high computational resource demands [38]. - Future research may explore hybrid game types and meta-game learning to cultivate more comprehensive reasoning abilities [37].
深度|OpenAI 多智能体负责人:许多人正在构建的产品并未真正遵循Scaling Law,最终都会被所取代
Z Potentials· 2025-07-20 02:48
Group 1 - Noam Brown is the head of multi-agent research at OpenAI and the developer of the AI negotiation system Cicero, which achieved a top 10% performance level in the game Diplomacy [1][3][4] - Cicero utilizes a small language model with 2.7 billion parameters, demonstrating that smaller models can still achieve significant results in complex tasks [8][9] - The development of Cicero has led to discussions about AI safety and the controllability of AI systems, with researchers expressing satisfaction over its highly controllable nature [9][10] Group 2 - The conversation highlights the evolution of AI language models, particularly the transition from earlier models to more advanced ones like GPT-4, which can pass the Turing test [7][8] - There is an ongoing exploration of how to enhance the reasoning capabilities of AI models, aiming to extend their reasoning time from minutes to hours or even days [9][55] - The potential for multi-agent systems to create a form of "civilization" in AI, similar to human development through cooperation and competition, is discussed as a future direction for AI research [56] Group 3 - The podcast emphasizes the importance of data efficiency in AI, suggesting that improving algorithms could enhance how effectively models utilize data [36][39] - The role of reinforcement learning fine-tuning is highlighted as a valuable method for developers to specialize models based on available data, which will remain relevant even as more powerful models are developed [30][31] - The discussion also touches on the challenges of software development processes and the need for improved tools to facilitate code review and other aspects of development [50][51]