StepFun

Model ProviderOpenAI compatible

Chinese AI startup founded by ex-Microsoft engineers, building the Step series of foundation, reasoning, vision, and audio models.

Active models
25
Families
12
Founded2023
API Base URL
Type
Model
Step 3.5 Flash 2603OSSstep-3.5-flash-2603
Step 3.5 FlashOSSstep-3.5-flash
Step 3OSSstep-3
Step 2 16kstep-2-16k
Step 2 16k Experimentalstep-2-16k-exp
Step 2 Ministep-2-mini
Step 1 32kstep-1-32k
Step 1o Vision 32kstep-1o-vision-32k
Step 1v 32kstep-1v-32k
Step 1 8kstep-1-8k
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