
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.
Sun is a collaborative voice API designed for real-time interactions in meetings and group settings, featuring multi-speaker awareness and an extensive context window. It enables developers to integrate advanced voice capabilities into applications for enhanced collaborative experiences.