generated: '2026-07-21'
method: searched
source: https://maas.unisound.com/docs/guide/quickstart
playground:
  url: https://maas.unisound.com/playground
  description: Token Hub 模型体验 playground for trying U2 text, speech, and vision models
    in the browser before integrating the API.
test_vs_live:
  separation: none
  notes: 'There is no separate test mode or test-key prefix; new accounts instead
    receive free resource packs after completing real-name developer verification,
    which are consumed against the live API.'
free_trial_grants:
  trigger: real-name developer verification (个人 or 企业)
  grants:
  - model: U2-ASR
    quota: 5 hours
  - model: U2-TTS
    quota: 50,000 characters
  - model: U2-TTS-Clone
    quota: 20,000 characters
  - model: Unisound U2
    quota: 5,000,000 tokens
  - model: U2-Med
    quota: 5,000,000 tokens
  - model: U1-OCR
    quota: 5,000,000 tokens
  - model: U1-OCR-Med
    quota: 5,000,000 tokens
notes:
- The AI Open Platform (ai.unisound.com) also offers free trial quotas for its speech
  services via the developer console (/toControl/controls).