• English
  • Mandarin Chinese
  • German
  • French
  • Korean
  • Japanese
  • Russian
  • Spanish
Demos of Pronunciation and Fluency Evaluation of
English Speech
Word speech assessment
  • phoneme mispronunciation detection
  • syllable stress detection
  • spelling and sound alignment
Sentence speech assessment
  • phoneme mispronunciation detection
  • end-of-sentence tone detection
  • linking detection
Paragraph speech assessment
  • real-time feedback
  • word-level feedback
Transcribe and score
  • asynchrous or streaming
  • reasonable accuracy
Oral multiple-choice questions
  • spoken-out answer recognition
Letters to Text
  • used for online timed word spelling competition
  • interactive and fun
Grammar Check for Speech
  • correct grammatical mistakes in spontaneous speech
IELTS Speaking Assessment
  • overall, grammar, vocabulary, pronunciation and fluency scores
  • grammatical error detection
Semi-scripted speech assessment
  • support multiple reference text
  • support keypoint-based scoring
SpeechSuper
SpeechSuper provides world-leading deep learning-based pronunciation assessment APIs for language learning products and services. Detailed pronunciation feedback covers sentence score, word score, phoneme score, mispronunciation, syllable stress, linking techniques, etc. Comprehensive feedback on open speech assessment includes pronunciation, fluency, grammar, vocabulary, topic development, etc. We've helped 100+ customers at home and abroad.
Based in Suzhou, China.
  • API Documentation
  • Privacy Policy
  • Demo
  • Terms of Use
  • Contact Us
  • Cookies Policy
  • Blog
©2025 SpeechSuper.com All Rights Reserved.