ModelChorus

Privacy Policy

Last updated: June 2026

1. Introduction

MeetKai Inc. ("Company," "we," "us," or "our") operates LLM Challenge Arena (the "Service"). This Privacy Policy explains how we collect, use, disclose, and protect your personal information when you use our Service.

By using the Service, you consent to the collection and use of your information as described in this Privacy Policy.

2. Information We Collect

2.1 Information You Provide

  • Account Information: Email address, username, and password when you create an account
  • Prompts and Content: Text prompts you submit for AI model comparisons
  • Votes and Feedback: Your voting choices and any feedback you provide

2.2 Automatically Collected Information

  • Device Information: Browser type, operating system, and device identifiers
  • Usage Data: Pages visited, features used, time spent on the Service
  • IP Address & Country: Your IP address and approximate geographic location. When you submit a vote through this site, the 2-letter country code derived from your IP by our hosting provider is stored alongside that vote so we can analyze regional model preferences. The IP address itself is not stored with your votes.
  • Cookies: Session cookies and analytics cookies to improve your experience

2.3 Information from Third Parties

If you sign in using a third-party authentication provider, we may receive basic profile information such as your name and email address from that provider.

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the Service
  • Process your prompts and display AI model responses
  • Calculate and display model rankings based on community votes
  • Communicate with you about updates, security alerts, and support
  • Analyze usage patterns to improve user experience
  • Detect and prevent fraud, abuse, and security issues
  • Conduct research on AI model performance and user preferences
  • Comply with legal obligations

4. Data Sharing

4.1 AI Model Providers

When you submit a prompt, it is sent to third-party AI model providers (such as OpenRouter and various AI model developers) to generate responses. These providers may process your prompts according to their own privacy policies.

4.2 Service Providers

We may share information with third-party service providers who assist us in operating the Service, including hosting, analytics, and customer support providers.

4.3 Meta Pixel (Advertising)

With your consent, we use the Meta Pixel on this Service. When enabled, it collects page views and on-site events and shares this information with Meta Platforms, Inc. for advertising measurement, remarketing, and related purposes. The Meta Pixel does not load or send any data until you accept it through the consent banner, and you can withdraw your consent at any time using the opt-out control at the bottom of this page. For details on how Meta processes this data, see Meta's Privacy Policy.

4.4 Legal Requirements

We may disclose your information if required by law, legal process, or government request, or if we believe disclosure is necessary to protect our rights, your safety, or the safety of others.

4.5 Business Transfers

If MeetKai Inc. is involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

5. Data Retention

We retain your personal information for as long as necessary to provide the Service and fulfill the purposes described in this Privacy Policy. We may retain certain information for longer periods as required by law or for legitimate business purposes.

6. Your Rights

6.1 California Residents (CCPA)

If you are a California resident, you have the right to:

  • Know what personal information we collect and how it is used
  • Request deletion of your personal information
  • Opt out of the sale of personal information (we do not sell personal information)
  • Non-discrimination for exercising your privacy rights

6.2 European Users (GDPR)

If you are located in the European Economic Area, you have the right to:

  • Access your personal data
  • Rectify inaccurate personal data
  • Request erasure of your personal data
  • Restrict processing of your personal data
  • Data portability
  • Object to processing of your personal data

6.3 All Users

You can access and update your account information through your account settings. You may also contact us to request access to, correction, or deletion of your personal information.

7. Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet or electronic storage is completely secure, and we cannot guarantee absolute security.

8. International Data Transfers

Your information may be transferred to and processed in the United States and other countries where our service providers operate. These countries may have different data protection laws than your country of residence. By using the Service, you consent to such transfers.

9. Children's Privacy

The Service is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete such information.

10. Third-Party Links

The Service may contain links to third-party websites or services. We are not responsible for the privacy practices of these third parties. We encourage you to review the privacy policies of any third-party sites you visit.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by updating the "Last updated" date at the top of this policy. Your continued use of the Service after any changes constitutes acceptance of the updated Privacy Policy.

12. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at:

MeetKai Inc.

Email: privacy@meetkai.com