Step 3.7 Flash

StepFun · Step 3 · context window 256,000 tokens.

Pricing (per 1M tokens)

Input$0.1850

Output$1.11

Cache read$0.0370

Specifications

Context window256,000 tokens

Max output256,000 tokens

Modalitiestext

VisionNo

Tool useYes

ReasoningYes

Prompt cachingYes

Estimate cost with Step 3.7 Flash

Step 3.7 Flash is pre-selected below. Enter your token counts and volume to see the cost per request, per day and per month — then switch models to compare.

Model

Input tokens(tokens)

Output tokens(tokens)

Results update automatically as you type.

Result

$0.000740 per request

~$22.20/month at 1,000 requests/day

Input cost: $0.000185
Output cost: $0.000555
Per request: $0.000740
Per day: $0.7400
Per month: $22.20

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Compare Step 3.7 Flash with

Source: StepFun API pricing, via models.dev. Prices are re-checked daily against the provider’s official pricing; this rate was last changed on 19 July 2026. A recent date here just means the price is still current, not that it moved.