BrianOnAIStepFun: Step 5 Preview
byStepfun
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...
Pricing
Input
$1.00 / 1M tokens
Output
$2.70 / 1M tokens
Specifications
Context Window1.0M tokens
Max Output64K tokens
Modalitymultimodal
Input Typestext, image, video
Output Typestext
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