Rime
Rime develops ultra-realistic text-to-speech and speech synthesis models for enterprise applications. The company builds its proprietary Arcana and Mist models trained on a massive dataset of conversational speech, enabling natural voices with emotional expressiveness, laughter, breathing patterns, and code-switching capabilities that power tens of millions of conversations monthly across customer support, healthcare, and food service sectors.
<cite index="37-11,37-12">Rime raised a $5.5 million seed round led by Unusual Ventures in May 2025, with their Arcana model producing natural laughs, sighs, and breathing patterns.</cite> <cite index="37-16,37-17">Rime now powers 100 million+ phone conversations monthly, with enterprise customers including Domino's and Wingstop, with differentiation coming from a proprietary dataset of real conversations with everyday people.</cite>
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