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Step 5 Preview
Vercel AI Gateway · stepfun/step-5-preview
Capabilities
Tool CallNo
ReasoningNo
Structured OutputYes
Temperature ControlYes
AttachmentsYes
Open WeightsYes
Modalities
Input
textimage
Output
text
Pricing (per 1M tokens)
Input$1.00
Output$2.70
Cache Read$0.10
Direct installation coming soon — March 2026
Details
ProviderVercel AI Gateway
Model IDstepfun/step-5-preview
Release Date2026-09-16
Last Updated2026-09-20
Limits
Context1.0M
Max Output1.0M
SDK
@ai-sdk/gateway