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StepFun: Step 3.5 Flash

stepfun/step-3.5-flash
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Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....

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In / out price
₩176 / ₩527
1M
Context
262.14K
Released
Jan 30, 2026

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