Privacy Policy

Privacy Policy

Last updated: January 13, 2026

1 Introduction

DualMind Arena ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our AI model comparison platform.

By using DualMind Arena, you agree to the collection and use of information in accordance with this policy. If you do not agree, please do not use our Service.

2 Information We Collect

2.1 Personal Information

When you create an account, we collect:

  • Email Address: Used for account authentication and communication
  • Username: Your chosen display name
  • Password: Securely hashed and stored via Supabase authentication

2.2 Usage Data

We automatically collect information about your interactions with the Service:

  • Prompts and Queries: Text you submit to AI models
  • Votes and Preferences: Your model comparisons and voting history
  • Chat History: Conversations and threads you create
  • Model Selections: Which AI models you choose to compare

2.3 Technical Data

  • IP Address: For security and analytics
  • Browser Type and Version: To ensure compatibility
  • Device Information: Operating system, screen size
  • Cookies and Local Storage: For authentication and preferences
  • Usage Analytics: Page views, feature usage, session duration

3 How We Use Your Information

We use collected information for the following purposes:

  • Service Delivery: To provide and maintain the AI comparison platform
  • Authentication: To verify your identity and secure your account
  • Personalization: To remember your preferences and chat history
  • Analytics: To understand usage patterns and improve features
  • Leaderboards: To calculate and display model rankings
  • Communication: To send service updates and notifications
  • Security: To detect and prevent fraud and abuse
  • Legal Compliance: To comply with applicable laws

4 Data Sharing and Disclosure

4.1 Third-Party Services

  • Supabase: Authentication and database services (Supabase Privacy Policy)
  • AI Model Providers: Your prompts are sent to selected AI models (OpenAI, Anthropic, Google, etc.)
  • Analytics Services: Aggregated usage data for service improvement

4.2 Public Information

The following may be publicly visible:

  • Aggregated voting statistics (no personal identification)
  • Model performance leaderboards
  • Shared threads (only when you explicitly share them)

4.3 Legal Requirements

We may disclose your information if required by law, court order, or government request, or to protect our rights, property, or safety.

5 Data Security

We implement industry-standard security measures:

  • Encryption: Data transmitted over HTTPS/TLS
  • Authentication: Secure password hashing via Supabase
  • Access Controls: Limited employee access to personal data
  • Regular Audits: Security reviews and vulnerability assessments

However, no method of internet transmission is 100% secure. We cannot guarantee absolute security.

6 Data Retention

  • Account Data: Retained until you delete your account
  • Chat History: Stored until you delete specific threads
  • Voting Data: Retained for leaderboard calculations
  • Analytics Data: Aggregated data retained for service improvement

You can delete your account and associated data at any time through your account settings.

7 Your Rights and Choices

You have the following rights regarding your personal data:

  • Access: Request a copy of your personal data
  • Correction: Update inaccurate or incomplete information
  • Deletion: Request deletion of your account and data
  • Export: Download your chat history and data
  • Opt-Out: Unsubscribe from marketing communications
  • Cookies: Manage cookie preferences in your browser

To exercise these rights, contact us at privacy@dualmindlab.tech.

8 Cookies and Tracking

We use cookies and similar technologies for authentication, preferences, and analytics. For full details, see our Cookie Policy.

9 Children's Privacy

Our Service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe your child has provided us information, please contact us immediately.

10 International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. By using our Service, you consent to such transfers.

11 Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes via:

  • Email notification to your registered address
  • In-app notification banner
  • Updated "Last Updated" date at the top of this page

Your continued use of the Service after changes constitutes acceptance of the updated policy.

12 Contact Us

Questions or concerns about this Privacy Policy:

Privacy: privacy@dualmindlab.tech
Support: support@dualmindlab.tech
Website: arena.dualmindlab.tech