Sun
Sun is a realtime voice API built specifically for real‑time collaborative voice interaction, not just one‑on‑one chat. Completing with ChatGPT Realtime and Gemini Live API
Sun launched on June 4, 2026 with 110 votes, #337 of 22,647 launches that month and more than 95% of that year's launches.
What it does
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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