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Work & marketsGlobal+4 clusters01

Anthropic backs open weights—and mandatory testing for powerful models

Anthropic says it has never supported a categorical ban on open-weight models and calls models without dangerous capabilities a public good. Its proposed dividing line is capability: sufficiently powerful open and closed models should face mandatory pre-release testing for cyber, biological, and alignment risks, while less capable models such as those from startups and academia would be exempt. The position rejects blanket bans but also rejects the assumption that openness automatically favors defenders, because released weights cannot be withdrawn and safeguards can be removed.

3 min
Technical failuresUnited States and China+4 clusters02

Chinese military-linked researchers distilled U.S. AI outputs into defense systems

A Reuters review of more than 80 Chinese academic papers and patents found military- and security-linked researchers using outputs from U.S. AI models to train smaller specialized domestic systems. The technique, model distillation, can transfer useful behavior without giving the recipient the original model weights or the advanced chips used to train them. Reported examples included code summarization for use inside military networks and synthetic data for text classification, social-media monitoring and content moderation. The evidence does not show unrestricted access to every frontier capability, but it does show why chip controls alone cannot contain a capability once model outputs are broadly reachable.

4 min