"In 1999, Salesforce brought software to the cloud. In 2025, 11x is killing software as we know it and unleashing the era of digital workers. To realise this vision, we needed AI voice technology that feels truly human. Cartesia’s technology gives our AI digital workers reps the speed, reliability, and natural expressiveness required to engage customers at scale.

It's the only solution fit for our relentless drive toward innovation.”

Keith Fearon, Head of Product & Growth, 11x

"This partnership represents a transformative moment in enterprise AI adoption. 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."

Melissa Gordon, CEO of Rasa

"Together AI's mission has always been to provide developers with the most powerful and efficient tools for building AI applications. 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."

Vipul Ved Prakash, Together AI's CEO