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今天，我们发布了针对消费者条款和隐私政策的更新，旨在帮助我们提供更强大、更实用的AI模型。现在，用户可以选择是否允许我们使用他们的数据来改进Claude模型，并加强防范诈骗和滥用等有害行为的安全措施。您可以随时轻松调整您的偏好设置。

这些更新适用于使用Claude免费版、Pro版和Max版计划的用户，包括通过这些账户使用Claude Code的情况。不适用于商业条款下的服务，如Claude for Work、Claude Gov、Claude for Education，或通过第三方（如Amazon Bedrock和Google Cloud的Vertex AI）使用的API。

参与此计划，您将帮助我们提升模型安全性，使检测有害内容的系统更准确，减少误判无害对话的情况。同时，您也将助力未来Claude模型在编码、分析和推理等技能上的提升，最终为所有用户带来更优质的模型体验。

您始终可以控制此设置，决定是否允许我们以此方式使用您的数据。新用户可在注册过程中选择偏好，现有用户将在弹窗中看到相关选项。

【应用界面示例图】

从今天起，我们将推送通知，方便您查看这些更新并管理设置。现有用户需在2025年9月28日前接受更新后的消费者条款并做出选择。若您现在接受新政策，政策将立即生效。更新仅适用于新的或恢复的聊天和编码会话。9月28日后，您需在模型训练设置中做出选择，才能继续使用Claude。您可随时在隐私设置中更改选择。

【隐私设置链接】

延长数据保留期限

如果您允许我们使用您的数据进行模型训练，数据保留期限将延长至五年。此保留期限仅适用于新的或恢复的聊天和编码会话，有助于我们更好地支持模型开发和安全改进。如果您删除了与Claude的对话，该对话将不会用于未来的模型训练。如果您选择不提供数据用于模型训练，数据保留期限仍为现有的30天。

新的五年保留期也适用于您提交的关于Claude回答的反馈。

为保护用户隐私，我们采用多种工具和自动化流程过滤或模糊敏感数据。我们不会将用户数据出售给第三方。

更多关于消费者条款和隐私政策更新的详情，请参见以下常见问题解答（FAQ）。

常见问题解答（FAQ）

1. 变更内容是什么？

• 当您开启此设置时，我们将使用免费版、Pro版和Max版账户的数据训练新模型（包括通过这些账户使用Claude Code的情况）。
• 现有用户可立即选择偏好，选择后立即生效。此设置仅适用于新的或恢复的聊天和编码会话，之前无新增活动的聊天不会用于模型训练。您有直到2025年9月28日的时间做出选择。
• 新用户可在注册时选择模型训练偏好。
• 您可随时在隐私设置中更改选择。
• 如果您允许我们使用数据进行模型改进，数据保留期将延长至五年，且仅适用于新的或恢复的聊天和编码会话。否则，保留期仍为30天。

这些更新不适用于商业条款下的服务，包括：

• Claude for Work（团队和企业计划）
• API、Amazon Bedrock或Google Cloud的Vertex API
• Claude Gov和Claude for Education

1. 为什么要做这些更改？

大型语言模型（如Claude）需要大量数据训练。真实交互数据能提供宝贵信息，帮助模型生成更有用、更准确的回答。例如，开发者与AI协作调试代码时的交互，为未来类似编码任务的模型改进提供了重要信号，形成良性反馈循环，使模型不断进步。

是否允许使用您的数据来改进Claude模型由您决定，且您可随时在隐私设置中更改。

1. 为什么延长数据保留期限？

AI开发周期长达数年——今天发布的模型通常在18至24个月前开始开发。保持训练数据的一致性，有助于模型表现更稳定，升级时变化更平滑。

延长保留期还能帮助我们改进分类器（用于识别滥用行为的系统），更有效检测滥用、垃圾信息等有害行为，保障Claude的安全。

如果您更改数据使用设置或删除账户，我们将排除您的数据用于未来模型训练。删除单个聊天也不会被用于未来训练。详情请见数据保留政策。

1. 我需要采取什么行动？

现有用户将收到应用内通知，询问是否愿意分享聊天和编码会话以改进模型。您可立即选择，或点击“稍后再说”延后决定。截止日期为2025年9月28日。选择后，新的五年数据保留政策将立即适用于新的和恢复的会话。9月28日后，您必须做出选择才能继续使用Claude。

新用户在注册流程中会看到此选项。您也可随时在隐私设置中更新偏好。

1. 如果我允许使用数据训练模型后又改变主意怎么办？

您可以随时在隐私设置中更改选择。关闭模型训练设置后，我们将不再使用您新的聊天和编码会话进行训练。已开始的训练和已训练的模型仍会包含之前的数据，但未来训练将不再使用您的历史数据。

如需了解更多信息，请访问我们的隐私政策和消费者条款页面。

Today, we're rolling out updates to our Consumer Terms and Privacy Policy that will help us deliver even more capable, useful AI models. We're now giving users the choice to allow their data to be used to improve Claude and strengthen our safeguards against harmful usage like scams and abuse. Adjusting your preferences is easy and can be done at any time.

These updates apply to users on our Claude Free, Pro, and Max plans, including when they use Claude Code from accounts associated with those plans. They do not apply to services under our Commercial Terms, including Claude for Work, Claude Gov, Claude for Education, or API use, including via third parties such as Amazon Bedrock and Google Cloud’s Vertex AI.

By participating, you’ll help us improve model safety, making our systems for detecting harmful content more accurate and less likely to flag harmless conversations. You’ll also help future Claude models improve at skills like coding, analysis, and reasoning, ultimately leading to better models for all users.

You’re always in control of this setting and whether we use your data in this way. If you’re a new user, you can select your preference in the signup process. Existing users will see the choice in a pop-up window like the one below.

Starting today, we’re rolling out notifications so you can review these updates and manage your settings. If you’re an existing user, you have until September 28, 2025 to accept the updated Consumer Terms and make your decision. If you choose to accept the new policies now, they will go into effect immediately. These updates will apply only to new or resumed chats and coding sessions. After September 28, you’ll need to make your selection on the model training setting in order to continue using Claude. You can change your choice in your Privacy Settings at any time.

Extended data retention

We are also extending data retention to five years, if you allow us to use your data for model training. This updated retention length will only apply to new or resumed chats and coding sessions, and will allow us to better support model development and safety improvements. If you delete a conversation with Claude it will not be used for future model training. If you do not choose to provide your data for model training, you’ll continue with our existing 30-day data retention period.

The new five-year retention period will also apply to feedback you submit to us about Claude’s responses to prompts.

To protect users’ privacy, we use a combination of tools and automated processes to filter or obfuscate sensitive data. We do not sell users’ data to third parties.

You can find more details about the Consumer Terms and Privacy Policy updates in our FAQ section below.

• We will train new models using data from Free, Pro, and Max accounts when this setting is on (including when you use Claude Code from these accounts).
  • If you’re a current user, you can select your preference now and your selection will immediately go into effect. This setting will only apply to new or resumed chats and coding sessions on Claude. Previous chats with no additional activity will not be used for model training. You have until September 28, 2025 to make your selection.
  • If you’re a new user, you can pick your setting for model training during the signup process.
  • 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. If you don't choose this option, you will continue with our existing 30-day data retention period.

These updates do not apply to services under our Commercial Terms, including:

• Claude for Work, which includes our Team and Enterprise plans
• Our API, Amazon Bedrock, or Google Cloud’s Vertex API
• Claude Gov and Claude for Education

All large language models, like Claude, are trained using large amounts of data. Data from real-world interactions provide valuable insights on which responses are most useful and accurate for users. For example, when a developer debugs code by collaborating with an AI model, that interaction offers valuable signals that help improve future models on similar coding tasks. This creates a feedback loop that helps models get better over time.

It’s up to you to choose whether to allow your data to be used to improve new Claude models and you can change your choice anytime in your Privacy Settings.

AI development cycles span years—models released today began development 18 to 24 months ago. Keeping data consistent across the training process helps make the models more consistent, too: models trained on similar data will respond, reason, and produce outputs in similar ways, making the changes between model upgrades much smoother for users.

The extended retention period also helps us improve our classifiers—systems that help us identify misuse—to detect harmful usage patterns. These systems get better at identifying activity like abuse, spam, or misuse when they can learn from data collected over longer periods, helping us keep Claude safe for everyone.

If you change your setting on providing your data for training or delete your account, we'll exclude your data from future model training. If you delete individual chats, they won't be included in future training either. Learn more about our data retention practices here.

Current users will see an in-app notification asking whether you want to share your chats and coding sessions for model improvement. You can make your selection right away, or select "not now" and decide later. You have until September 28, 2025 to make your choice. If you choose this option, the updated 5-year data retention policy will also immediately apply to new and resumed chats and coding sessions. Once September 28 arrives, you'll need to select your preference to continue using Claude.

If you're signing up for Claude today, you'll see this decision as part of the signup flow. And remember—you can always update your preference in Privacy Settings.

You can always update your selection in your Privacy Settings. If you decide to turn off the model training setting, we will not use any new chats and coding sessions you have with Claude for future model training. Your data will still be included in model training that has already started and in models that have already been trained, but we will stop using your previously stored chats and coding sessions in future model training runs.

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