StepFun Unveils Step 5 Preview: A Mixture-of-Experts Model with 600B Parameters (27B Active) and 1M Context Window Built for Extended Agentic Tasks
StepFun launched Step 5 Preview, a flagship sparse Mixture-of-Experts model with 600B total parameters (27B active per token) and a 1M-token context window, targeting agentic workloads like coding, re…