Sun
What is Sun?
Realtime multi-speaker voice API that lets AI agents participate in group conversations, not just 1:1 chat.
Sun is a realtime voice API and multi-speaker voice model built for collaborative voice interaction rather than one-on-one turn taking. Unlike existing realtime voice APIs designed for a single user talking to a single AI, Sun handles group settings — meetings, classrooms, sales calls, multi-agent debates, and brainstorms — with multi-speaker awareness and a 10x context window. Agents respond only when addressed by name with a question, and voice-activity monitoring prevents interrupting active speakers. Positioned as an alternative to ChatGPT Realtime and Gemini Live APIs.
Key Features
Use Cases
Frequently asked questions
- What is Sun used for?
- Sun is used for AI participants in meetings and group calls; Classroom and debate facilitation; Multi-agent voice workflows; Group brainstorm assistants.
- What are alternatives to Sun?
- See the ranked list of Sun alternatives in the Audio & Voice category on ContentBuffer.
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