
解读 OpenAI 2026 年 10 月 5 日的欧盟文本溯源方案:自研水印 textGrain 用最优传输把词表分块再耦合到密钥随机列,1% 假阳性下 200 token 检出率约八成;本文拆开它的机制、被量化的证据边界,以及为什么上线是分阶段、检测器只给审核过的研究者。



| 基准 | 无水印 | 有水印 |
|---|---|---|
| Artificial Analysis 智能指数1 | 49.57 | 49.76 |
| AutomationBench1 | 34.09% | 34.86% |
| DeepSWE v1.11 | 72.80% | 71.68% |
| Terminal-Bench 4.01 | 53.90% | 56.06% |
| Terminal-Bench Science 0.11 | 56.90% | 60.00% |
| BrowseComp1 | 87.92% | 87.35% |
| HealthBench Professional1 | 64.27% | 64.60% |
| GPQA Diamond1 | 94.44% | 93.94% |
openai.com
ai-act-service-desk.ec.europa.eu
digital-strategy.ec.europa.eu
huggingface.co
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