Case Study: Thoughtly achieves 15x ROI and faster AI voice responses with Cartesia

Thoughtly Partners with Cartesia to Transform Real-Time Enterprise Communications

The customer, Thoughtly, a conversational go-to-market platform, faced a challenge with its previous voice AI infrastructure. For its enterprise clients, the existing text-to-speech providers could not deliver the ultra-low latency, fast voice cloning, and expressive controls needed to maintain natural conversations and high conversion rates on sales calls.

Vendor Cartesia became Thoughtly's default voice provider, implementing its Sonic text-to-speech models. The solution provided sub-200ms latency for natural dialogue, production-ready voice clones in seconds from a short audio sample, and granular voice controls. These improvements led to a more human-sounding agent, accelerated customer onboarding, and contributed to Thoughtly customers achieving a 15x ROI.

Thoughtly

Torrey Leonard

Chief Executive Officer