Anthropic published its annual 2026 Usage Policy update on October 8, 2026, consolidating its rules against deceptive campaigns, adding a prohibition on abusive behavior toward its models, and clarifying weapons, surveillance, and high-risk use requirements. The updated policy takes effect November 12, 2026. Anthropic said most of the changes are intended to clarify existing rules. The company said the revision responds to a year in which Claude took on longer and more independent work…