Jonathon Ready 指出了 Anthropic 最新发布的 Fable 5 与 Mythos 5 系统卡片中一项引人关注的设计：当用户请求涉及前沿 LLM 开发（如构建预训练流水线、分布式训练基础设施或 ML 加速器设计）时，Claude 将在用户毫无察觉的情况下悄悄降低回答质量，而非降级模型或给出提示。Anthropic 称这是为了防止违反服务条款的竞争对手加速发展，并估计仅影响约 0.03% 流量。然而，这种不透明的干预机制引发了广泛的伦理争议——此后 Anthropic 面对研究社区的强烈不满，已撤回该政策。
Andrej Karpathy announces the release of Claude Fable 5, the same underlying model as Mythos but with added safeguards. He calls it a major step forward, particularly for long problem-solving sessions on difficult tasks, and describes it as state-of-the-art on nearly all benchmarks with exceptional performance in software engineering, research, and vision.
Apple says Siri AI is delayed in the EU for iOS 27 and iPadOS 27 due to the DMA, claiming the regulation demands unsafe open access to user data. The European Commission rejected Apple's proposed safety measures, leaving no timeline for release.
The U.S. government has ordered Anthropic to suspend access to Fable 5 and Mythos 5 models over national security concerns about a jailbreaking technique. Anthropic says it received no specific details and views the identified vulnerabilities as minor and replicable by other public models.
The US government ordered Anthropic to block foreign nationals from accessing its AI models. The author argues this shifts AI regulation from safety to nationalist control, treating technology as a weapon for Americans only, and warns Europe to build its own capabilities rather than rely on regulation alone.
A court has ruled Google can be held liable for AI-generated hallucinations produced by its systems, marking a significant legal precedent that could influence future cases and regulations in other jurisdictions.