AI 用 Gemini 3.1 挑战物理奥赛理论题，五次全满分。
Perfect score on IPhO 2025 theory by Gemini agent
- 用 Gemini 3.1 Pro Preview 构建简单智能体解决物理奥赛题
- 在 IPhO 2025 理论题上五次均取得满分成绩
- 提示模型训练数据可能被竞赛题泄露污染
国际物理奥林匹克（IPhO）是全球最负盛名的中学生物理竞赛。其题目需基于标准大学前物理课程的深刻理解进行复杂推理。此前已有报道称 AI 模型在 IPhO 2025 理论题上获得金牌水平，但未达顶尖人类选手表现。本文构建一个基于 Gemini 3.1 Pro Preview 的简单智能体，共运行五次，每次均获得满分。然而，由于 Gemini 3.1 Pro Preview 发布时间晚于竞赛，存在训练数据泄露风险。
原文摘要 · Abstract (English)
The International Physics Olympiad (IPhO) is the world's most prestigious and renowned physics competition for pre-university students. IPhO problems require complex reasoning based on deep understanding of physical principles in a standard general physics curriculum. On IPhO 2025 theory problems, while gold medal performance by AI models was reported previously, it falls behind the best human contestant. Here we build a simple agent with Gemini 3.1 Pro Preview. We run it five times and it achieved a perfect score every time. However, data contamination could occur because Gemini 3.1 Pro Preview was released after the competition.
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