nineninesix.ai
Human-like voice for realtime convos.
Multiple AI models with OpenAI-compatible API.
Start with $5 free credits.
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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.
Realistic AI Voices - Multiple Models, 50+ Voices