Anthropic has banned abuse of Claude in its usage policy, but the boundaries of enforcement and consequences remain opaque.
Anthropic's usage policy update released on October 8, 2026, prohibits continuous and unnecessary abuse of Claude models starting November 12, 2026, with the primary enforcement tool being the end-of-conversation capability granted to Claude Opus 4/4.1 since August 2025; ordinary complaints, dark creative writing, and model testing are explicitly not restricted.
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