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stepfun/step-5-preview-20261008

Rank #7 stepfun

stepfun/step-5-preview-20261008

Usage data date 2026-11-12 · updated daily

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Usage and specs

Daily rank#7
Daily tokens6.7T
Daily requests26.2M
Daily change +1.0%
Released

What is stepfun/step-5-preview-20261008

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...

stepfun/step-5-preview-20261008 capabilities

Input: Text、Image、Video   Output: Text

Reasoning output Reasoning Reasoning effort JSON output Structured outputs Tool choice Tool use

stepfun/step-5-preview-20261008 API pricing

Input · per 1M tokens$1.00
Output · per 1M tokens$2.70

USD list-price snapshot, not independently verified; confirm current pricing and terms on the provider site before purchase.