Is ChatGPT Safe to Use? Privacy and Security Guide 2026
TL;DR: ChatGPT is generally safe for most tasks. Avoid sharing sensitive personal data, passwords, or confidential business information. OpenAI uses conversations to train models unless you opt out.
Data Privacy
OpenAI collects conversation data. You can opt out of training in Settings > Data Controls. Team and Enterprise plans do not use your data for training. Never share passwords, API keys, or social security numbers.
What NOT to Share
- Passwords and login credentials
- Credit card numbers or bank details
- Social security numbers or government IDs
- Proprietary source code or trade secrets
- Patient medical records (HIPAA concerns)
- Confidential legal documents
Safety Best Practices
- Use ChatGPT Team or Enterprise for business use
- Enable data controls to opt out of training
- Don’t rely on ChatGPT for medical, legal, or financial advice
- Verify factual claims independently
- Use a separate account for sensitive work
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