Together AI
Cartesia Sonic now available on Together AI
"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."
Introduction
We're excited to announce that Cartesia Sonic TTS is now available on Together AI's AI acceleration cloud. Together AI's focus on fast, affordable AI development aligns with Cartesia's goal of delivering cutting-edge, real-time AI models. This partnership enables the thousands of developers using the Together API to access our advanced voice models directly on their platform.
Together AI partners with Cartesia to deliver the fastest voice API
Our partnership with Together AI began when we were first bringing Sonic to market by serving on Together GPU clusters. Now, we're excited to make Sonic available to Together AI's community of over 300K developers via Together AI's development platform.
Together partnered with Cartesia because Sonic's State Space Model architecture aligned with their vision to make AI model development faster, cheaper, and production-ready.
Ultra low latency: With just sub-90ms streaming latency - half the time of a human blink - Sonic delivers the fastest end-to-end voice applications (STT → LLM → TTS) available today, with continuous performance gains on the horizon.
Superior content processing: Masters complex inputs like phone numbers and technical terminology with striking accuracy, while offering diverse voice options across 15 languages.
Leading Voice AI research: The key to Cartesia's performance breakthroughs is their innovative State Space Model (SSM) architecture, achieving major breakthroughs in voice realism, personalization, and efficiency.
Enterprise Scalability: Production-ready infrastructure reduces development time and operational costs for large-scale deployments.
Getting started with Sonic on Together AI
Developers can begin building with Cartesia Sonic today through Together AI's platform. Whether you're creating AI-powered customer support systems, generating audio content, or building voice assistants, Sonic on Together AI provides the foundation for next-generation voice applications.
Visit Cartesia Playground or Together AI to start exploring the possibilities of voice AI, easily integrated with other LLMs. Together, we're making the future of voice AI accessible to developers everywhere.
"Voice AI is rapidly becoming essential across industries, from customer service to content creation," says Karan Goel, CEO of Cartesia. "Together AI has built the leading platform for developers to access and combine the best AI models. By joining their ecosystem, we're making it easier than ever for developers to add voice capabilities to their applications. Our goal is to enable the developer community to experience the power of voice AI, and Together's unified platform and incredible developer experience makes that simpler than ever.
What our customers say
Join the growing list of companies opting for Sonic.
"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
"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."
"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
