Process massive datasets with Step Router v1, featuring an expansive 256K context window for long-document analysis. This model delivers available completely free of charge, native tool calling support. Access Step Router v1 via the StepFun Step Plan (China) API with up to 256K output tokens.
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Step Router v1 by StepFun Step Plan (China) costs Free per 1M input tokens and Free per 1M output tokens.