Resemble AI

Resemble AI is an enterprise-grade voice cloning and synthesis platform that differentiates through security infrastructure — the only major TTS provider to offer built-in AI watermarking (Verify) and deepfake detection (Detect) alongside voice generation. Powered by the Chatterbox model family, which beat ElevenLabs in blind listening tests at 63.75% preference rate. Clients include Netflix (Andy Warhol Diaries, Emmy-nominated), Paramount, Deutsche Telekom, and the World Bank. Chatterbox (open-source, MIT license) is also available for free self-hosting. Zero-shot voice cloning from 10 seconds of audio, 75ms latency on Chatterbox Turbo, multilingual dubbing, Speech-to-Speech (STS), and voice design from text prompts. Closed $13M Series B in December 2025 led by Sony and Okta Ventures.