Last refreshed 2026-05-11. Next refresh: weekly.
Why use Step-1.5V on StepFun?
StepFun offers Step-1.5V 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-1.5vModel ID
step-1.5vRequest example
Curated snippets for this provider are not sourced yet. Use StepFun documentation with model ID
step-1.5v.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Capabilities
VisionMultimodal
About Step-1.5V
Step-1.5V is StepFun's multimodal language model with vision capabilities, building on Step-1 with image understanding.
FAQ
What is the context window for Step-1.5V on StepFun?
Step-1.5V supports a 128,000 token context window on StepFun.
Who created Step-1.5V?
Step-1.5V was created by StepFun as part of the Step model family.
Is Step-1.5V open source?
Step-1.5V is not open source; the seed data lists it as proprietary.
Model Specs
Released2024-06-01
Context128K
ArchitectureDecoder Only