A voice AI app for real-time group collaboration in meetings, calls, debates, and classrooms, with support for multiple speakers and a large context window.

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Sun is a voice first AI model built specifically for real‑time collaborative voice interaction, not just one‑on‑one chat. ChatGPT Realtime and Gemini Live were built for one user talking to AI. Sun is built for collaboration — meetings, group calls, multi-agent debates, classrooms. One API, multi-speaker awareness, 10× the context window.

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