StepFun's StepAudio 3 ASR Tops Speech Benchmark With 1.7% Error Rate

StepFun's new speech-to-text model ties for the top spot on the Artificial Analysis WER Index, dominating conversational audio at premium pricing.

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2026-09-22 19:50 · AlphaSignal
StepFun's StepAudio 3 ASR Tops Speech Benchmark With 1.7% Error Rate

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