#step-5-preview

StepFun Step 5 Preview scores 44 on Artificial Analysis Intelligence Index at $0.71 per task

StepFun highlighted Artificial Analysis results putting Step 5 Preview at 44 on the Intelligence Index and $0.71 per task, with more to come on Oct 15. The evaluation describes a 600B/27B MoE flagship with first-party API access and open weights planned for October 15.

elvis: StepFun Step 5 Preview matched GLM 5.3 on two real coding tasks

elvis (@omarsar0) says he early-tested StepFun’s new Step 5 Preview as a coding agent. He reports that it and GLM 5.3 both solved two real repository tasks with no fix rounds, that Step 5 Preview stopped after checking its work, and that it found five hidden clues in a ~368K-token long-context test.