StepFun's Step 5 model, released in September, entered deployment in October - launching on Tencent WorkBuddy on...

On October 15, StepFun (阶跃星辰) officially open-sourced the complete weights of its new flagship base model Step 5 ...

StepFun (Jieyue Xingchen) announced on October 12 that its flagship model Step 5 Preview has gone live on Tencent...

On September 20, StepFun released Step 5 Preview, a flagship model aimed at real-world agentic tasks. It uses a spars...

On September 20, StepFun released Step 5 Preview, a flagship model aimed at real-world agentic tasks. It uses a spars...

On September 17–19, StepFun (Step) released the StepAudio 3 series—five models covering Realtime, ASR, TTS, full-au...

At the 2026 Xiamen Sci-Tech Industry and Securities Development Conference held on September 6, Li Jing, Chief Strate...