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StepFun · 12 series

Series

Step Audio EditXLatest: Step Audio EditX1 model
Step PreviewLatest: Step 5 Preview1 model
Step TTSLatest: Step TTS 21 model
stepLatest: step-31 model
Step 16K ExpLatest: Step-2 16K Exp1 model
Step 1o TurboLatest: Step-1o Turbo1 model
Step VL 10BLatest: Step3 VL 10B1 model
step preview highLatest: step-5-preview-high1 model
Step FlashLatest: Step 3.7 Flash2 models
Step Image EditLatest: Step Image Edit 21 model
Step Video T2VLatest: Step-Video-T2V1 model
Step TTS MiniLatest: Step TTS Mini1 model

In the news: StepFun

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Sep 202026AI modelsStepFun drops Step 5 Preview, a 600B MoE model built for agents

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