StepFun API

StepFun

Platform

StepFun's API platform offers access to the Step family of large language models with support for text generation, vision, and code tasks. Pay-per-token pricing with serverless deployment.

About StepFun

StepFun is a Chinese AI startup and one of the 'Six Tigers' developing the Step series of large language models. Their API platform provides access to Step-1, Step-1.5V, and Step-2 models for text generation, reasoning, and multimodal tasks.

Available Models(3)

Model	Input (per 1M)	Output (per 1M)	Type
Step-1	—	—	Serverless
Step-1.5V	—	—	Serverless
Step-2	—	—	Serverless

Company Info

Founded2023

Beijing, China

Links

Website X / Twitter Crunchbase