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METR 发布报告称，自 2025 年 10 月起，Anthropic 模型的 AECI 基准分数增速约为此前速率的 1.9 倍（95% 置信区间 1.5–2.8 倍），作者将这一加速归因于 Anthropic 在研发中大量使用 AI。报告图表把 Opus 5.5 标为“非前沿”，并列出内部模型 Model 3 和 Model 4，显示其在很短时间内取得明显提升。METR 同时说明，该估计对基准难度和基准构成的假设较为敏感，且基准分数与真实世界能力之间的对应关系仍不明确。
正文 · 原文
ANTHROPIC 🔥: According to the latest report from METR, Anthropic is accelerating its internal AI model development, and this is attributable to Anthropic’s extensive use of AI for R&D
Anthropic have accelerated 1.9x since October 2025.
The chart categorizes Opus 5.5 as "non-frontier" and highlights internal models named Model 3 and Model 4, with substantial improvement achieved in a very short period.
RSI bench? 👀
Since August, a team within METR has worked with internal Anthropic information to assess whether AI itself is accelerating AI development. We are now publishing a report summarizing the results of this risk assessment.在 X 查看被引用的帖子
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