StepFun (Jieyue Xingchen)
Shanghai multimodal-first lab, Step series foundation models
StepFun is a Shanghai frontier lab founded by ex-Microsoft/SenseTime researchers, shipping the Step series of multimodal and reasoning models. It is one of the six 'AI Tigers' and is backed by Shanghai state capital and Tencent, focusing on trillion-parameter multimodal systems.
Focus
Multimodal foundation models
How it fits the stack
StepFun (Jieyue Xingchen) with what it depends on (above) and what it feeds (below). The figure renders as a crawlable diagram and upgrades to an interactive 3D graph as it scrolls into view.
StepFun (Jieyue Xingchen) in the AI stack. StepFun (Jieyue Xingchen) with its immediate upstream dependencies (top) and downstream dependents (bottom) in the AI value chain. Hover a node in 3D, or read the full relationships below.
Graph data (text) — 3 entities, 2 relationships
- StepFun (Jieyue Xingchen) —depends on→ Nvidia Data-Center GPU (Blackwell/Rubin)
- StepFun (Jieyue Xingchen) —competes with→ DeepSeek
Context — capital, rivals, policy · · 2