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StepFun

Apps & Agents
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Step Series General Large Models

StepFun's proprietary multimodal general large model series, including Step-2 trillion-parameter MoE and Step-

B

Bubble Duck

A consumer-facing AI open-world platform application where users interact with large language model-driven cha

S

StepChat

Personal efficiency assistant built on Step-series models, offering intelligent visual search, photo-based Q&A