Base model

Step TTS 2

Name: Step TTS 2
Brand: StepFun
Availability: InStock

from $40.00 / 1M chars at 2 providers

stepfun/step-tts-2 · 2 providers · Text to speech ·

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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-tts-2

API parameters and a form

Model	Provider	Input, $	Output, $	Your cost/mo, $	Subscription, $/mo	Region	Context	Max output	Accepts	Last checked
= Step TTS 2×	Provider stepfun 1 stepfun-ai 1				Pricing pay per use 2	Region			Input text 1	Status Active 2
Step TTS 2 Step TTS 2	stepfun-ai ↗	$40.00 / 1M chars	—	—			—	—	text	4 Nov 12:00
Step TTS 2 Step TTS 2	stepfun ↗	$41.85 / 1M chars	—	—			—	—	text	4 Nov 12:26

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.

Market price history, $ / 1M chars

Latest: minimum $40.00, median $40.92 (Nov 4, 2026)

The STEP family - base models: 24

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

Frequently asked questions

How much does Step TTS 2 API cost?

From $40.00 per 1M chars, at stepfun-ai.

Which provider offers Step TTS 2 cheapest?

stepfun-ai offers the lowest price, $40.00 per 1M chars, among 2 providers.

Compare

vs step-tts-mini vs StepAudio 2.5 TTS vs StepAudio 3 TTS

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