Anthropic is making changes to its usage policy for the first time in over a year to reflect new and high-risk cases of misuse — including election interference, weapons development, surveillance, and health and financial uses. But one of the most significant changes prohibits “sustained and needless abusive or cruel behavior” toward Claude.

Last August, the company announced it would allow Claude to end conversations with “persistently harmful or abusive” users as part of its research into “model welfare.”