Tahutu - Speak Fluent with AI

Practice English conversations anytime with AI. Real-time voice recognition, natural responses, and personalized feedback to
build your confidence.

Three Practice Modes:

Free Talk — Have natural conversations with Tahutu, your AI language partner. Ask questions, discuss topics, or just chat — all in your target language.

Role Play — Practice real-life scenarios like ordering coffee, visiting a doctor, or meeting a neighbor. 50+ scenarios with
unique characters and settings.

Speech Coach — Get detailed pronunciation feedback, vocabulary explanations, and sentence practice. Tahutu teaches you new
words in context and helps you build natural speaking habits.

HD Voice Quality:
Kokoro TTS engine delivers native-speaker quality English and Chinese voices at 24kHz. Choose from 50+ voice styles. Vietnamese voice synthesis powered by custom Piper models.

On-Device Speech Recognition:
Your voice is processed locally using Zipformer neural networks — no audio leaves your device. English HD model (65M parameters) provides high-accuracy transcription. Vietnamese and Chinese models also available.

Learn English or Chinese:
Switch learning goals anytime. Each mode adapts prompts, ASR models, and TTS voices to your target language. Native language support for Vietnamese and English speakers.

Smart Features:

Hands-free mode with voice activity detection — no button needed
Push-to-talk for noisy environments
Auto-greeting when starting conversations
Vocabulary teaching with IPA pronunciation and example sentences Streaming responses for low-latency conversations
Conversation history saved locally