# StepFun Launches StepAudio 3 Series of Voice Large Models

- Category: Flash (快讯)
- Published: 2026-09-15T11:56:00.000Z
- Source date: 2026-09-15
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StepFun has released the StepAudio 3 series of voice large models, covering five areas: real-time interaction, speech recognition, speech synthesis, full audio generation, and music creation. The Realtime model topped the global real-time voice interaction rankings with a comprehensive score of 98.9%, while the ASR model achieved a word error rate of just 1.7%, tying for first place. Several models in the series have achieved leading global positions on the Artificial Analysis leaderboard, demon

## At a glance

- The StepAudio 3 series includes five models covering scenarios from real-time conversation to music creation
- The Realtime model ranks first globally with a 98.9% score, while the ASR model ties for first with a 1.7% word error rate

## The update

StepFun has officially launched the StepAudio 3 series of voice large models, which includes five specific models: Realtime, ASR, TTS, Gen, and Music. This product matrix comprehensively covers core application scenarios such as real-time conversation, speech recognition, human-level speech synthesis, full audio generation, and music creation. In terms of performance, the StepAudio 3 series has achieved significant breakthroughs. The Realtime model topped the global rankings for real-time voice interaction with a comprehensive score of 98.9%. Meanwhile, the ASR model achieved a word error rate of only 1.7%, tying for first place with other top-tier models. Reports indicate that several models in this series rank first globally on the authoritative Artificial Analysis leaderboard, highlighting their leading position in the field of voice technology.

## Sources

- [阶跃StepFun](https://mp.weixin.qq.com/s/HV4tnHjdzboG4lYilq68ag) (2026-09-15)

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