Base model

step3

Name: step3
Brand: StepFun
Availability: InStock

from $1.10 at 1 provider

stepfun/step3 · 1 provider · Text models ·

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The offers of the current filter, current prices in USD.

Free for everyone, no sign-in needed: the whole catalog in one file, up to 20 downloads an hour (60 with a free account).

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The same as an API for bots (format=json|csv|yaml, limit, offset):

https://airatecard.com/export?format=json&model=stepfun%2Fstep3

API parameters and a form

Model	Variant	Icon	Provider	Logo	Input, $	Output, $	Your cost/mo, $	Subscription, $/mo	Region	Context	Max output	Accepts	Last checked	Recommend	Actions
= step3×			Provider aihubmix 1					Pricing pay per use 1	Region			Input	Status Active 1
Step3 step3			aihubmix ↗		$1.10	$2.75	—			—	—		4 Nov 12:00

Ranges in one field: "from-to" - "0.5-3", "-3" (up to), "128k-" (from); a colon works too. Several ticked values of one column are ORed, columns are ANDed.

Input price history, $/1M

Latest: minimum $1.10, median $1.10 (Nov 4, 2026)

The STEP family - base models: 24

About the model: cost of your workload, questions, comparisons, citation

Cost of my workload → in the Tools tab: every provider of this model, cheapest first

Frequently asked questions

How much does step3 API cost?

From $1.10 input and $2.75 output per 1M tokens, at aihubmix.

Which provider offers step3 cheapest?

aihubmix offers the lowest price, $1.10 per 1M tokens, among 1 provider.

Source: AI Rate Card, https://airatecard.com/en/model/stepfun/step3, prices checked 2026-11-04