WritingmateWritingmate
AI Model

StepFun: Step 3.5 Flash

Stepfun
Text Generation
Reasoning
About Step 3.5 Flash

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....

Specifications
Provider
Stepfun
Context Length
262,144 tokens
Input Types
text
Output Types
text
Category
stepfun/step-3.5-flash
Added
1/29/2026

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