Anthropic Claude Data Retention Policy 2026
Summary
Analysis of Anthropic's 2025-2026 data retention policies, detailing changes to consumer training opt-outs, API retention windows, and comparisons between consumer and enterprise data handling.
Key quotes
The opt-in training setting extends data retention from 30 days to 5 years, a 60x increase in how long your conversations can sit in Anthropic's training pipeline.
As of September 14, 2025, Anthropic reduced API log retention from 30 days to 7 days.
The article breaks down the differences between Anthropic’s consumer and API data policies following a September 2025 shift toward opt-out model training for consumer users. It also mentions a 2025 lawsuit by Reddit regarding unauthorized scraping.