Last refreshed 2026-06-29. Next refresh: weekly.
Why use Step-1 on StepFun?
StepFun offers Step-1 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-1Model ID
step-1Request example
Curated snippets for this provider are not sourced yet. Use StepFun documentation with model ID
step-1.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Capabilities
No model capability flags are currently sourced.
About Step-1
Step-1 is StepFun's Step model. It offers a 128K-token context window.
Model Specs
Released2024-04-01
Context128k
ArchitectureDecoder Only