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StepFun AI

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Step 3.7 Flash

Step

Free

A sparse MoE multimodal reasoning model good for enterprise, agentic and coding tasks.

131K
context
Free
in/M
Free
out/M
S

Step 3.5 Flash

Step

Free

200B open-source reasoning engine with sparse MoE powering frontier agentic AI.

131K
context
Free
in/M
Free
out/M
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