Models

Compare models by price, context, and capability. The Official price is the model maker's published price.

Catalog updated 2026-11-13 · 368 models · pay-as-you-go · one-time $0.25 free trial credit: up to 10 calls in 7 days · $5 minimum top-up · first $10 top-up credits $15 · one OpenAI-compatible endpoint (/v1/chat/completions)

StepFun

Type

Model makerAll368

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

Step 3

StepFun

Chat

Auto from $0.10 · per 1M tokens

2 modelsOpen series

Step 5

StepFun

ChatVision

Auto from $1.00 · per 1M tokens

1 modelOpen series