Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...
by Stepfun|1M context|$1.00/M input tokens|$2.70/M output tokens
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Available providers for this model, with details on pricing, context limits, and real-time health metrics.