Last refreshed 2026-06-29. Next refresh: weekly.
Why use Step-2 on StepFun?
StepFun offers Step-2 with competitive pricing. StepFun is a Chinese AI company providing API access to its Step series of large language and multimodal models.
Input / 1M
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Output / 1M
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Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: step-2Model ID
step-2Request example
Curated snippets for this provider are not sourced yet. Use StepFun documentation with model ID
step-2.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Capabilities
VisionMultimodalJSON / Tool use
About Step-2
Step-2 is StepFun's Step model with multimodal text and image input. It offers a 256K-token context window.
Model Specs
Released2024-09-01
Parameters1T (MoE)*
Context256k
ArchitectureMixture of Experts