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
Model
Step 3.5 Flash 2603๐ŸŒOSSstep-3.5-flash-2603
Step 3.5 Flash๐ŸŒOSSstep-3.5-flash
Step 3๐ŸŒOSSstep-3
Step 2 16k๐ŸŒstep-2-16k
Step 2 16k Experimental๐ŸŒstep-2-16k-exp
Step 2 Mini๐ŸŒstep-2-mini
Step 1 32k๐ŸŒstep-1-32k
Step 1o Vision 32k๐ŸŒstep-1o-vision-32k
Step 1v 32k๐ŸŒstep-1v-32k
Step 1 8k๐ŸŒstep-1-8k