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StepFun: Step 3.5 Flash
stepfun/step-3.5-flash
工具调用JSON推理流式
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....
价格
输入
$0.09 / 1M
输出
$0.3 / 1M
参数
上下文
262,144 tokens
输入模态
text
输出模态
text
发布：2026-01
支持参数
frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstoptemperaturetool_choicetoolstop_ktop_p