stepfun

StepFun: Step 3.5 Flash (free)

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....

Input Cost

Free

per 1M tokens

Output Cost

Free

per 1M tokens

Context Window

256,000

tokens

Compare vs GPT-4o

                Developer ID: stepfun/step-3.5-flash:free            

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