#stepfun
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Articles
StepFun Releases Step 5 Preview as Open Weights: 600B MoE, 27B⭐9
StepFun releases Step 5 Preview open weights: a 600B MoE model with 27B active parameters, 1M-token context, and strong long-context reasoning for agentic workl...
StepFun Launches Step 5 Preview: A 600B-Total, 27B-Active MoE⭐8
StepFun's Step 5 Preview is a 600B-parameter MoE model with 27B active parameters and 1M context, built for long-horizon agentic work like coding and finance.