StepFun @StepFun_ai

Step 5 Preview is now free in @cline for one week. Our flagship model for agentic and professional work. Fire up Cline and show us what you build! [引用 @cline]: Step 5 Preview is now free in Cline. On DeepSWE it scores ahead of Kimi K3 and GLM-5.3, making it one of the strongest open weights coding models available. https://t.co/GWRbfaJyqY

• StepFun Releases Step-5-Preview Flagship Model2026-10-15