Check the Anthropic privacy policy. If I remember right, your chat is only used for training if you flag it with one of those up/down buttons. I could be mistaken so do check the docs. Answer from pepsilovr on reddit.com
Claude
code.claude.com › docs › en › data-usage
Data usage - Claude Code Docs
Code storage: Your repository is ... logging and abuse prevention · Data retention: Code and session data are subject to the retention and usage policies for your account type...
ClaudeLog
claudelog.com › home › faqs › data storage
does-claude-code-store-my-data | ClaudeLog
... Standard conversations: Deleted immediately from conversation history, automatically deleted from backend within 30 days · Usage policy violations: Inputs and outputs retained up to 2 years, trust and safety scores up to 7 years · Feedback ...
Claude
privacy.claude.com › en › articles › 10023548-how-long-do-you-store-my-data
How long do you store my data? | Anthropic Privacy Center
If you allow us to use your chats or coding sessions to improve Claude, we may retain your data in a de-identified format for up to 5 years in our model training pipelines. This retention period only applies to new or resumed chats after the model training setting has been enabled.
Data Studios
datastudios.org › post › claude-data-retention-policies-storage-rules-and-compliance-overview
Claude: data retention policies, storage rules, and compliance overview
September 3, 2025 - ... Until 14 September 2025, Claude API logs are retained for 30 days. ... API logs will be stored for only 7 days before being automatically deleted. ... API data is never used for model training.
Reddit
reddit.com › r/claudeai › claude new privacy policy
r/ClaudeAI on Reddit: Claude new privacy policy
August 28, 2025 -
Did anyone else notice that Claude is now extending its data retention policy from 30 days to 5 years? Is this for both outputs and inputs?
Top answer 1 of 5
24
This is not good. I just saw this, too. "Updates to data retention To help us improve our AI models and safety protections, we’re extending data retention to 5 years." Improve their models? I thought they didn't train on OUR DATA.
2 of 5
19
Anybody else’s hit not now. Now my Claude is stuck “generating response” forever even after it’s given its response. This company pisses me off with this shit.
Claude
privacy.claude.com › en › articles › 8956058-i-have-a-zero-data-retention-agreement-with-anthropic-what-products-does-it-apply-to
I have a zero data retention agreement with Anthropic. What products does it apply to? | Anthropic Privacy Center
Under these agreements, the only product to which zero data retention applies is the Anthropic API, and Anthropic products that use your Commercial organization API key (including Claude Code).
Claude
support.claude.com › en › articles › 10440198-custom-data-retention-controls-for-enterprise-plans
Custom Data Retention Controls for Enterprise Plans | Claude Help Center
For our consumer products such as Claude Free, Pro, Max and when accounts from those plans use Claude Code, see here. Custom data retention controls allow organizations to manage how long Claude stores conversation and project data.
Anthropic
anthropic.com › news › updates-to-our-consumer-terms
Anthropic
You can change your selection at any time in your Privacy Settings. We are also expanding our data retention period to five years if you allow us to use your data for model improvement, with this setting only applying to new or resumed chats and coding sessions.
Reddit
reddit.com › r/claudeai › data retention and privacy for claude 3?
r/ClaudeAI on Reddit: Data retention and privacy for Claude 3?
March 6, 2024 -
Both gpt-4 and gemini advanced have the option to limit data retention (for longer than 30 days, and 72 hours respectively) and disable training models on chats, but I couldn't find any such option in Claude.
Is there a way to stop Claude from keeping my chat data indefinitely and training their future models based on it?
Top answer 1 of 6
6
Check the Anthropic privacy policy. If I remember right, your chat is only used for training if you flag it with one of those up/down buttons. I could be mistaken so do check the docs.
2 of 6
5
It is written here: https://support.anthropic.com/en/articles/8325621-i-would-like-to-input-sensitive-data-into-claude-pro-who-can-view-my-conversations "By default (and just like our beta version of Claude.ai), we will not use your prompts and conversations from Claude Pro to train our models. There are two instances in which we may use your prompts and conversations to train our models: (1) if you give us explicit permission by submitting feedback through the thumbs up/down feature or by reaching out to us with a request, and (2) where your prompts and conversations are flagged for trust and safety review, we may use or analyze those conversations to improve our ability to detect and enforce Acceptable Use Policy violations, including to train Trust and Safety classifiers in order to make our services safer. Only a limited number of staff members have access to conversation data and they will only access this data for explicit business purposes."
Reddit
reddit.com › r/claudeai › claude code data retention - says it does not retain anything after the session ends
r/ClaudeAI on Reddit: Claude Code Data Retention - Says it does not retain anything after the session ends
June 11, 2025 - I initially asked this because ... not retaining any data after the session ends. Claude Desktop, on the other hand, has a 30 days retention policy....
Anthropic
privacy.anthropic.com › en › articles › 10440198-custom-data-retention-controls-for-claude-enterprise
Custom Data Retention Controls for Claude Enterprise | Anthropic Privacy Center
Data past its retention period will be permanently deleted and cannot be recovered. For chats: All chats (including chats within projects) will be deleted. For projects: All projects (including any chats within those projects) will be deleted. ... Log in to your Claude Enterprise account.
Claude
privacy.claude.com › en › articles › 7996866-how-long-do-you-store-my-organization-s-data
How long do you store my organization’s data? | Anthropic Privacy Center
For Anthropic API users, we automatically delete inputs and outputs on our backend within 30 days of receipt or generation, except: When you use a service with longer retention under your control (e.g. Files API) When you and we have agreed otherwise (e.g. zero data retention agreement)
WIRED
wired.com › gear › artificial intelligence › anthropic will use claude chats for training data. here’s how to opt out
Anthropic Will Use Claude Chats for Training Data. Here’s How to Opt Out | WIRED
September 30, 2025 - For users who allow model training on their conversations, Anthropic increased the amount of time it holds onto user data from 30 days in most situations to a much more extensive five years.
Skywork
skywork.ai › home › security & privacy in claude desktop: what you need to know
Security & Privacy in Claude Desktop: Essential FAQ Answers
October 27, 2025 - Short answer: Your prompts, files, and Claude’s replies are sent to Anthropic’s backend to generate responses. That data is governed by Anthropic’s retention and training policies for your plan (consumer vs. enterprise).
Implicator
implicator.ai › anthropics-five-year-data-plan-for-claude-consumer-users
Anthropic’s five-year data plan for Claude consumer users
August 28, 2025 - Anthropic abandons its 30-day data deletion promise, asking Claude users to choose: opt into 5-year retention for AI training or keep the old policy. The September deadline reveals industry-wide hunger for conversation data.
Hacker News
news.ycombinator.com › item
does claude code have a privacy mode with zero data retention? | Hacker News
July 12, 2025 - No such item