AIMarkTechPostabout 2 hours ago
StepFun Releases Step 5 Preview Model
1 min read
StepFun releases Step 5 Preview, a 600B parameter MoE model with 27B active weights and 1M token context. The open weights run on data-center GPUs, requiring 4x B300 or 8x H200 for FP8 checkpoints. This launch targets coding agents and finance workflows for developers.
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