nineninesix.ai
Sign in
Sign up
English
Human-like voice for realtime convos.
10x cheaper and 3x faster than SOTA TTS services.
Optimized for robots and Edge AI
Realistic
Speech AI
Everything you need to make your agents alive
ASR + TTS in One Platform
Complete speech-to-speech pipeline. Your agent can listen and speak with the same human-like quality.
Built for Dialogue, Not Dubbing
Sub-100ms latency with models trained for two-way conversations, not content generation or audiobooks.
Custom Model Training
Train custom ASR and TTS models for your domain, accent, or industry-specific terminology.
Works With Your LLM
Bring your GPT, Claude, or custom agent. OpenAI-compatible API that integrates in minutes.
Request API
NineNineSix - AI Text-to-Speech API for Realtime conversations