Crescendo, an AI-native customer experience (CX) platform, announced a partnership with Amazon to integrate Nova Sonic, a foundation model for speech understanding and generation, on July 16, 2025, at AWS Summit in New York. This collaboration enables fully automated, natural voice conversations, transforming customer service with high-quality, personalized support available 24/7.
Announced July 16, 2025, at AWS Summit New York.
Crescendo integrates Amazon Nova Sonic for real-time voice AI support.
Enables natural, accurate conversations across diverse accents and noisy environments.
Supports seamless handoffs to human agents for guided setup and continuity.
Enhances Crescendo’s platform with real-time orchestration, image recognition, and more.
Backed by General Catalyst and Celesta Capital, serving global brands.
Crescendo leverages Amazon Nova Sonic, available via Amazon Bedrock’s bidirectional streaming API, to deliver real-time, human-like voice interactions. “Voice support has long been overdue for innovation,” said Matt Price, CEO of Crescendo. “With Nova Sonic, we’re bringing intelligence, availability, and personalization to every call.” The model excels in handling diverse accents and noisy environments, addressing key industry pain points by providing on-demand conversational support.
The partnership enables companies to offer live, guided setup support with seamless transitions to Crescendo’s 3,000+ human agents when needed, ensuring conversational continuity. “We’re thrilled to see CX innovators like Crescendo quickly adopt Nova Sonic to build voice-enabled AI agents,” said Eshan Bhatnagar, Director & Head of Product for AGI at Amazon. This rapid deployment showcases Nova Sonic’s transformative potential for customer engagement and operational efficiency.
Crescendo’s platform, backed by General Catalyst and Celesta Capital, now includes:
Real-Time Orchestration: Manages voice and messaging interactions.
Image Recognition in Chat: Enhances digital support channels.
Autonomous Agent Assist: Boosts agent efficiency with AI guidance.
Predictive CSAT Scoring: Anticipates customer satisfaction outcomes.
Built-in QA Automation: Streamlines quality assurance processes.
These features make Crescendo’s solution faster to deploy and more effective, turning customer support into a strategic growth lever.
The global conversational AI market is projected to reach $29.9 billion by 2030, with a 22% CAGR, driven by demand for scalable, personalized CX solutions, per Grand View Research. Nova Sonic’s ability to adapt to tone, prosody, and context, combined with Crescendo’s managed workforce, positions the partnership to capture this growth. Social sentiment on X reflects excitement, with posts calling it a “game-changer” for CX, though some note challenges in scaling voice AI across smaller enterprises.
Nova Sonic, launched April 8, 2025, supports English, Spanish, French, Italian, and German, with features like barge-in for interruptions and non-verbal cue detection, enhancing its suitability for customer service, education, and healthcare. Other partners, like Vonage, have also integrated Nova Sonic, reinforcing its versatility. Crescendo’s adoption highlights its leadership in AI-driven CX, building on its rapid growth and global brand support.
Crescendo and Amazon’s partnership with Nova Sonic sets a new standard for AI-powered customer service, delivering scalable, natural, and efficient voice interactions.
Crescendo is the AI-native customer experience (CX) platform built for outcomes. Backed by General Catalyst and Celesta Capital, Crescendo powers voice and digital support for global brands through a fully-managed solution that blends cutting-edge automation with a 3,000+ person workforce.
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