Models / Rime
Audio

Mist v2

Conversational text-to-speech optimized for production-grade latency voice interactions

About model

Mist v2 is a conversational text-to-speech model designed for real-time voice applications. With low latency and natural speech patterns, it enables developers to build responsive voice interfaces for customer support, IVR systems, and conversational AI in English and Spanish.
Model key capabilities
  • Real-time: Responsive voice interactions
  • Natural speech: Filler words, backchanneling, breathing patterns
  • Bilingual: English and Spanish support
  • Customizable: Pronunciation control for domain-specific terms
  • Model card

    Architecture Overview:
    • Conversational TTS model optimized for low-latency real-time voice synthesis.
    • Trained on conversational speech data with natural interaction patterns.
    • Supports English and Spanish with accent and pronunciation diversity.
    • Includes filler words, backchanneling, and breathing patterns for conversational realism.

    Training Methodology:
    • Trained on conversational speech dataset capturing natural dialogue patterns.
    • Multi-lingual training for English and Spanish with authentic pronunciation.
    • Optimized for fast synthesis while maintaining natural voice quality.
    • Fine-tuned for controllable pronunciation of technical and brand-specific terminology.

    Performance Characteristics:
    • Low latency enables real-time responsiveness for live voice interactions.
    • Natural Speech: Conversational voices with natural filler words and breaths
    • Bilingual English and Spanish support for diverse user bases.
    • Customizable pronunciation for domain-specific vocabulary and terminology.

  • Applications & use cases

    Phone & IVR Systems:
    • Building automated phone systems with natural voice for customer service.
    • IVR (interactive voice response) for call centers and customer support lines.
    • Appointment reminder and notification systems via phone calls.

    Voice Agents:
    • Conversational AI agents for e-commerce, booking, and scheduling.
    • Customer support chatbots with voice output across phone and web channels.
    • Virtual assistants requiring natural, responsive speech synthesis.

    Real-Time Voice Applications:
    • Live voice translation and interpretation services.
    • Voice-enabled applications requiring immediate audio feedback.
    • Accessibility tools with text-to-speech for visually impaired users.

    Bilingual Services:
    • Applications serving English and Spanish-speaking customers.
    • Healthcare providers with multilingual patient communication systems.
    • Government and public services requiring accessible language support.

Related models
  • Model provider
    Rime
  • Type
    Audio
  • Main use cases
    Text-to-Speech
  • Deployment
    On-Demand Dedicated
    Monthly Reserved
  • Input modalities
    Text
  • Output modalities
    Audio