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Tandem Voice

Products and tools
Products and toolsNovember 9, 2026, 22:27

Sierra’s Mossy gives voice agents a visible, living interface

Sierra has introduced Mossy, a living ball of grass designed to make its voice agents visible during interactions. The interface breathes, grows and reacts to speech…

Products and tools
Products and toolsOctober 6, 2026, 20:01

Sierra unveils Curie and Fleming models, Tandem Voice and Persona Studio at Summit

Sierra used its Summit in San Francisco to announce two new models, Curie and Fleming, along with Tandem Voice, Persona Studio, a reworked Ghostwriter and a partner…