AI Rate Card

Base model

stepaudio-2-5-chat

from $1.50 at 3 providers

stepfun/stepaudio-2-5-chat · 3 providers · Text models ·

All StepFun models at every provider

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%2Fstepaudio-2-5-chat

API parameters and a form

ModelVariantIconProviderInput, $Output, $Your cost/mo, $Subscription, $/moRegionContextMax outputAcceptsLast checkedRecommendActions
= stepaudio-2-5-chat×
Provider
Pricing
Region
Input
Status
StepAudio 2.5 Chatstepaudio-2-5-chatempiriolabs ↗$1.50$3.50—262K131Kmulti: audio, text5 Nov
12:00
StepAudio 2.5 Chatstepaudio-2-5-chatstepfun-ai ↗$1.50$3.50—262K131Ktext, audio5 Nov
12:00
StepAudio 2.5 Chatstepaudio-2-5-chatstepfun ↗$1.95$4.80—262K131Ktext, audio5 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.

Price history is collected since Nov 5, 2026.

The STEPAUDIO family - base models: 10
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 stepaudio-2-5-chat API cost?

From $1.50 input and $3.50 output per 1M tokens, at empiriolabs.

Which provider offers stepaudio-2-5-chat cheapest?

empiriolabs offers the lowest price, $1.50 per 1M tokens, among 3 providers.

What is the context window of stepaudio-2-5-chat?

262K tokens.

Compare

vs Step 3.5 Flash vs Step 3.5 Flash 2603 vs Step 3.7 Flash

Source: AI Rate Card, https://airatecard.com/en/model/stepfun/stepaudio-2-5-chat, prices checked 2026-11-05