Speech AI Revolution
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Meet Speech AI for everyone, covering not only best-in-class adult speech recognition accuracy but also children before voice change and multilingual speakers.
Key Technologies of Theta One Speech AI
Demo Videos
See the amazing recognition accuracy of Theta One Speech AI yourself.
State-of-the-Art Performance
Provides top accuracy not only for proprietary areas such as child speech recognition and code-switching, but also for adult speech recognition.
OpenAI
GPT-4o
GPT-4o
Google
STT
STT
N Company<br/>STT
S Company<br/>STT
Theta One
Speech AI
Speech AI
Adult Korean
✅
✅
✅
✅
✅
Adult English
✅
✅
✅
✅
✅
Child Korean
⚠️
❌
⚠️
❌
✅
Child English
⚠️
⚠️
❌
❌
✅
Kor-Eng Code-Switching
❌
❌
❌
❌
✅
✅ Accuracy ≥ 90%⚠️ Accuracy ≥ 80%❌ Accuracy < 80%
* Performance metrics based on internal tests and public benchmarks (as of 2025)
Trusted By
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Use Theta One Speech AI right away with the developer docs. If you need help with integration, leave us a message and we will support you quickly.