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

4+ 27 deprecated

Families

Founded2023

API Base URL

Type

OSSShow deprecated (27)

Model	Caps	Context	Pricing
Step 1o Audiostep-1o-audio	RVTSJF		$3.47$8.33
Step 1o Turbo Visionstep-1o-turbo-vision	RVTSJF	32K	$0.35$1.11
step-5-previewstep-5-preview			$0.97$2.78
step-3.7-flashstep-3.7-flash			$0.19$1.13