Base model

Step 2 (16K)

Name: Step 2 (16K)
Brand: StepFun
Availability: InStock

from $2.00 at 3 providers

stepfun/step-2-16k · 3 providers · Text models ·

Price alerts

Found 3

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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%2Fstep-2-16k

API parameters and a form

Model	Provider	Input, $	Output, $	Your cost/mo, $	Subscription, $/mo	Region	Context	Max output	Accepts	Last checked
= Step 2 (16K)×	Provider aihubmix 1 stepfun 1 stepfun-ai 1				Pricing pay per use 3	Region			Input text 1	Status Active 1 not confirmed lately 2
Step 2 16K Step 2 (16K)	aihubmix ↗	$2.00	$2.00	—			16K	8K	text	4 Nov 12:00
Step 2 (16K)Step 2 (16K)	stepfun-ai ↗	$5.21	$16.44	—			16K	8K	text	4 Nov 12:26 not confirmed lately
Step 2 (16K)Step 2 (16K)	stepfun ↗	$5.21	$16.44	—			16K	8K	text	4 Nov 12:26 not confirmed lately

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 $2.00, median $2.00 (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 Step 2 (16K) API cost?

From $2.00 input and $2.00 output per 1M tokens, at aihubmix.

Which provider offers Step 2 (16K) cheapest?

aihubmix offers the lowest price, $2.00 per 1M tokens, among 3 providers.

What is the context window of Step 2 (16K)?

16K tokens.

Compare

vs Step 3.5 Flash vs Step 3.7 Flash vs Step 5 Preview

Source: AI Rate Card, https://airatecard.com/en/model/stepfun/step-2-16k, prices checked 2026-11-04