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StepFun API pricing

2 models

Open weights
Cheapest input / 1M
$0.100

Step 3.5 Flash

Priciest input / 1M
$0.200

Step 3.7 Flash

Largest context
262K

Step 3.5 Flash

Models tracked
2

All StepFun models

Cheapest first, by blended cost.

Language models with price per million tokens and context window
#ModelBlended / 1MInput / 1MOutput / 1MContextCapabilities
1$0.150$0.100$0.300262K
ReasoningToolsOpen weights
2$0.438$0.200$1.15262K
ReasoningToolsVisionOpen weights

Frequently asked

How much does the StepFun API cost?

StepFun models in this directory range from $0.100 to $0.200 per million input tokens. The cheapest is Step 3.5 Flash; the most expensive is Step 3.7 Flash.

How many models does StepFun offer?

2 models are tracked here, with the largest context window being 262K tokens on Step 3.5 Flash.