Chat Models

AI models for chat, Q&A, reasoning, and text generation

Chat · StepFun

Type

Model makerAll120

Model	Context	Max output	Official price	Verified price	Discount
step-3.7-flashJSON modePrompt CacheTool useSupports prompt caching Available	256K	256K	Official price Input$0.20/1MOutput$1.15/1M	Verified price— Discount —	—
step-5-previewPrompt CacheReasoningTool useVisionSupports prompt caching PreviewAvailable	1M	64K	Official price Input$1.00/1MOutput$2.70/1M	Verified price— Discount —	—
step-3.5-flashPrompt CacheTool useSupports prompt caching Available	256K	256K	Official price Input$0.10/1MOutput$0.30/1M	Verified price— Discount —	—

All model series

2 series

Auto from $0.10 · per 1M tokens

Auto from $1.00 · per 1M tokens