Funding › AI models

StepFun raises $2.5B

StepFun: Develops multimodal foundation models and AI assistants integrated into phones and other devices.

Round
Undisclosed
Amount
$2.5B
Announced
Lead investors
Not disclosed
Also investing
Tencent, Qiming Venture Partners, 5Y Capital
Headquarters
Shanghai, China

Source (found by the agent, not yet verified)

More: StepFun funding history · rounds in May 2026 · rounds in China

Other StepFun rounds

  1. StepFun raises $718M Series B, . AI models. Develops multimodal foundation models and AI assistants integrated into phones and other devices.