Rime

Rime AI is a developer of text-to-speech technology that creates realistic, customizable voice models for enterprise voice applications. Founded by linguists, the platform offers 600+ voices across 50+ languages with regional dialects and accents, along with controls for pace, tone, and pronunciation. Rime's Mist v3 model delivers sub-100ms time-to-first-byte latency for real-time conversations, with the ability to run inside a customer's own environment for compliance requirements. The platform serves industries including banking, healthcare, food ordering, and hospitality, powering over 1.5 million minutes of conversation for teams across fintech, healthcare, and customer service. Rime's deterministic pronunciation ensures brand names and proper nouns are spoken correctly every time. Founded in 2020 and headquartered in San Francisco, Rime has raised approximately $49.1 million at the Series A stage, including a recently announced $24 million Series A, from investors including Unusual Ventures, M13 Company, Twilio, Cadenza, Foundersysk, Corazon, and Plug and Play Tech Center.