AI Calculator Pro

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

Where else you can run Step 3.7 Flash

The same model is resold by 12 providers we track. The typical one charges 1.1× what the cheapest does — $0.4380 against $0.4160 per 1M tokens, blended 3:1. Routing the same workload to a different host is often a bigger saving than switching model.

ProviderInput / 1MOutput / 1MBlended
Stepfun$0.1850$1.11$0.4160
Stepfun AI$0.1850$1.11$0.4160
Ambient$0.1900$1.14$0.4280
DeepInfra$0.2000$1.15$0.4380
Edenai$0.2000$1.15$0.4380
Empiriolabs$0.2000$1.15$0.4380
Huggingface$0.2000$1.15$0.4380
Kilo$0.2000$1.15$0.4380
OpenRouter$0.2000$1.15$0.4380
Requesty$0.2000$1.15$0.4380

Showing the 10 cheapest of 12. The full list for every model is in the open endpoint dataset.

Third-party listings via models.dev, not rates we verify with each host the way we do first-party pricing. Treat them as a shortlist to check, not a quote — and confirm quantisation, context limits and rate limits before switching, since a cheaper host is not always serving the same thing.

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.

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

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.