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Step

2 variants tracked. Compare specs, pricing, and capabilities side by side.

StepFun: Step 3.5 Flash (free)

StepFun · 199.4B

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...

stepfun-ai/Step-3.5-Flash-FP8

StepFun · 199.4B

[![GitHub](https://img.shields.io/badge/GitHub-181717?style=flat&logo=github&logoColor=white)](https://github.com/stepfun-ai/Step-3.5-Flash) [![Hugging Face]...

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