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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....
262,144 tokens$0.100/M$0.300/MStep 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....
Performance may vary based on query complexity, context length, and task type. Consider using higher-tier models for production-critical applications.
Try these prompts to explore StepFun: Step 3.5 Flash's capabilities:
Explain quantum computing in simple terms like I'm 10 years old
Write a compelling email asking for a meeting to discuss a project proposal
Help me brainstorm creative solutions for improving team productivity
Tip: Customize these prompts to fit your specific needs and use cases.
StepFun: Step 3.5 Flash uses tiered credit pricing. Subscribe for a monthly credit allowance, connect your own provider API key (BYOK), or browse lower-cost models on the catalog.
Credit cost per message is shown in the model picker. Economy models typically cost 1 credit; frontier models cost more.
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