StepFun: Step 3.5 Flash
stepfun/step-3.5-flash
Input Price
$0.10 / 1M
Output Price
$0.30 / 1M
Context Length
262,144
LLM Price Calculator
Enter custom token counts to calculate exact pricing for your specific AI use case.
- Input Cost
- $0.10
- Output Cost
- $0.30
- Total Cost
- $0.40
About this model
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....
Try this model in Playground
Test this model's capabilities in different AI playground environments including OpenRouter, Hugging Face, Cloudflare, and Vercel.
FAQ
StepFun: Step 3.5 Flash pricing FAQ
Answers about this model's pricing, context window, supported modalities, and where to try it.
How much does StepFun: Step 3.5 Flash cost?
Use the calculator above to estimate the cost for your expected workload. Input and output tokens are billed at separate rates, and optional provider features may add extra charges.
What is the context length of StepFun: Step 3.5 Flash?
StepFun: Step 3.5 Flash supports a context window of up to 262,144 tokens. Your provider may reserve part of that capacity for generated output or system instructions.
Which modalities does StepFun: Step 3.5 Flash support?
Listed input modalities: text. Listed output modalities: text. Confirm feature availability with your chosen provider before integrating the model.
Where can I try StepFun: Step 3.5 Flash?
Use the Playground links above to check whether the model is currently available from those third-party services. Access, features, and pricing can vary between platforms.
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