# Anthropic — Does this vendor train AI models on your data? Per-product, per-tier, quoted from the current policy

For Anthropic, product or service is Claude Free, Pro, Max; trains on your content by default? is opt-in; what the policy says is We will use your chats and coding sessions (including to improve our models) if: You choose to allow us to use your chats and coding sessions to improve Claude; how it is controlled is even if you have enabled Model Improvement in your Privacy Settings; document is Is my data used for model training?, recorded from its source on 2026-08-10.

- **Vendor:** Anthropic _(verified: appears in the quote below)_
- **Product or service:** Claude Free, Pro, Max
- **Trains on your content by default?:** opt-in _(our reading, not quoted from the source)_
- **What the policy says:** We will use your chats and coding sessions (including to improve our models) if: You choose to allow us to use your chats and coding sessions to improve Claude _(verified: appears in the quote below)_
- **How it is controlled:** even if you have enabled Model Improvement in your Privacy Settings
- **Document:** Is my data used for model training? _(verified: appears in the quote below)_
- **Document date, as stated:** March 16, 2026 _(verified: appears in the quote below)_

## What the source says

> We will use your chats and coding sessions (including to improve our models) if: You choose to allow us to use your chats and coding sessions to improve Claude

## Source

- https://privacy.anthropic.com/en/articles/10023580-is-my-data-used-for-model-training

Last verified: 2026-08-10. Review by: 2026-10-09.
Part of [Does this vendor train AI models on your data? Per-product, per-tier, quoted from the current policy](https://referencesource.org/ai-training-data-use-by-vendor/).