Rasa

Cartesia partners with Rasa to deliver enterprise-grade voice agents

"This partnership represents a transformative moment in enterprise AI adoption," said Melissa Gordon, CEO of Rasa. "By combining Rasa’s strengths in enterprise conversational AI with Cartesia's innovative voice technology, we're fundamentally changing how enterprises can deploy and scale AI assistants across their organizations."

181%

ROI for enterprises

60%

Containment rate

50M+

Downloads

About the company

Rasa is the leading open generative conversational AI platform to build and deliver next-level AI assistants. We work with some of the world’s largest brands to automate conversational experiences. Trusted by startups to Fortune 500 companies, Rasa ensures data privacy, security, and scalability for enterprises of all sizes.

Introduction

We're excited to announce that Cartesia is now the default voice provider for Rasa, the leading enterprise platform for building conversational AI assistants. This partnership brings enterprise-grade voice capabilities to Rasa's no-code platform, enabling organizations to deploy sophisticated AI assistants across customer experience, sales, financial services, and healthcare workflows.

Whether you're building customer support systems, sales automation tools, or healthcare assistants, the integration enables developers to create end-to-end voice experiences through Rasa's no-code platform. Organizations can now design, deploy, and scale voice-enabled AI assistants while maintaining complete control over their brand voice and data security.

The Solution

Rasa's AI assistants have demonstrated remarkable success, delivering 181% ROI for enterprises and achieving a 60% containment rate - resolving customer issues without human intervention. Trusted by industry leaders like American Express, Adobe, and T-Mobile, Rasa needed a voice partner that could match their enterprise-grade requirements and commitment to excellence.

The partnership leverages key strengths from both companies:

- Industry-Leading Performance: With 90ms time-to-first audio, Sonic delivers the fastest high-quality text-to-speech available today, ensuring customer interactions feel as natural as speaking with a human agent.

- Enterprise-Ready Infrastructure: Comprehensive security certifications including SOC2 and HIPAA compliance, along with on-premise deployment options and custom SLAs, ensure reliable, secure operation at scale.

- Superior Voice Quality: Access to 200+ ultra-realistic voices enables organizations to maintain brand consistency across all customer touchpoints while supporting natural, fluent conversations.

- Transcript Following: Cartesia's technology excels at handling complex pronunciations - from medical terminology to financial data - making it ideal for specialized enterprise use cases.

Getting Started 

See Rasa's voice-enabled assistant in action as it manages a multi-step financial workflow: authenticating the customer, processing a lost card report, and coordinating card replacement delivery - all while maintaining a natural conversation flow.


Developers and organizations can begin building voice-enabled AI assistants today using our comprehensive integration:

- Rasa’s step-by-step technical tutorial on building a voice agent with Cartesia.

- A new section in our  docs on how to work with Rasa

"By combining Cartesia's leading generative voice API with Rasa's enterprise platform, we're empowering organizations to deploy voice-enabled AI assistants tailored to their brand and specific business needs, all while running securely on their infrastructure."
Karan Goel, Cartesia's co-founder and CEO.

What our customers say

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"We're thrilled to partner with Cartesia - their technology has dramatically improved the accuracy and reliability of our call center agents. Beyond just providing best-in-class voice AI, the Cartesia team has been a true partner in helping us transform 24/7 patient support for over 215,000 patients. Their support has been instrumental in making exceptional care accessible anytime, anywhere."

Jeffrey Liu, Founder and co-CEO, Assort Health

"Together AI's mission has always been to provide developers with the most powerful and efficient tools for building AI applications," says Vipul Ved Prakash, Together AI's CEO. "Cartesia is leading the charge of building efficient, multimodal models from first principles, starting with their Sonic TTS model. By integrating Sonic into our platform, we're enabling developers to create sophisticated multi-modal applications that leverage the most advanced and lowest latency voice model available today, all while maintaining the simplicity and reliability our users expect."

"Gaming has always been where communities form - from my generation's World of Warcraft and Runescape to today's Roblox and Minecraft. As games evolve into social platforms, AI characters need to feel genuinely human in both their responsiveness and emotional depth. Cartesia's technology, with its ultra-low latency, natural voices, and precise emotional control, helps us create truly immersive worlds where AI characters feel alive and authentic."

Peggy Wang, Co-Founder and CTO, Ego

Real-time, multimodal intelligence for every device.

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HIPAA

SOC-2 Type II

Real-time, multimodal intelligence for every device.

Sign up for early access to new releases

HIPAA

SOC-2 Type II

Real-time, multimodal intelligence for every device.

Sign up for early access to new releases

HIPAA

SOC-2 Type II