Terms of Service

Last updated November 5, 2026. These terms are between you and Qiyuan Labs LLC.

  1. Adults only. You must be 18 or older to use SayHao.
  2. It's an AI. All conversation partners are AI. Replies can be wrong. SayHao is a language-practice tool and not medical, legal, financial or mental-health advice.
  3. Acceptable use. Don't use SayHao for sexual content, harassment, illegal activity, or to try to make the AI produce harmful content. We may suspend accounts that do.
  4. Free and Pro plans. Free accounts get a daily reply limit. Pro is a monthly subscription billed through Stripe, renews automatically, and can be canceled any time from Manage subscription; access continues to the end of the paid month.
  5. Fair use. Pro includes a generous daily cap to keep the service running for everyone.
  6. Changes. We may change features, limits or prices with notice on this page.
  7. No warranty. The service is provided as is, to the extent the law allows.