StepFun @StepFun_ai

Step 5 Preview just landed on the Vals leaderboard. 🚀 [引用 @ValsAI]: StepFun debuts on the Vals leaderboard with Step 5 Preview, ranking #7 among open-weight models, just ahead of Qwen 3.8 Max. It costs $2.54/task. https://t.co/IuwbCBZZ4w