StepFun launches StepAudio 3: five audio models topping realtime voice leaderboards
StepFun_ai · x · 2026-09-16
StepFun released StepAudio 3, a family of five audio models covering realtime voice, ASR, speech generation, audio scenes, and music. The realtime model ranks #1 on Artificial Analysis for Conversational Dynamics (98.9%) and Speech Reasoning (99.7%), and ASR hits 1.7% WER, matching the leaderboard best. Models support interruptions, reasoning while speaking, and tool calls for voice agents, with multilingual support and API availability now.
Related event: StepFun Releases Five StepAudio 3 Models Covering Full Audio AI Stack(6 posts)→
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