AI models

StepFun Step Plan (China)step

step-3.5-flashStepFun Step Plan (China)Released Jan 29, 2026256,000 token context window

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StepFun Step Plan (Global)step

step-3.5-flashStepFun Step Plan (Global)Released Jan 29, 2026256,000 token context window

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EmpirioLabs AIstep

step-3-5-flashEmpirioLabs AIReleased Jan 29, 2026262,144 token context windowIn $0.10 · Out $0.30

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Hugging Facestep

stepfun-ai/Step-3.5-FlashHugging FaceReleased Jan 29, 2026262,144 token context windowIn $0.10 · Out $0.30

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StepFun (Global)step

step-3.5-flashStepFun (Global)Released Jan 29, 2026256,000 token context windowIn $0.10 · Out $0.30

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ZenMuxstep

stepfun/step-3.5-flashZenMuxReleased Jan 29, 2026256,000 token context windowIn $0.10 · Out $0.30

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StepFun (China)step

step-3.5-flashStepFun (China)Released Jan 29, 2026256,000 token context windowIn $0.10461 · Out $0.31384

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OpenRouterstep

stepfun/step-3.5-flashOpenRouterReleased Jan 29, 2026262,144 token context windowIn $0.10 · Out $0.30

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Kilo Gatewaystep

stepfun/step-3.5-flashKilo GatewayReleased Jan 29, 2026262,144 token context windowIn $0.10 · Out $0.30

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