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Stability AI · Audio

Stable Audio 2.5 API pricing

stability/stable-audio-2.5

Music and sound design. Stable Audio 2.5 by Stability AI, routed through INFRO on a Stability AI account you connect — alongside every other provider you run. Stability AI bills you for it directly, on that account and at your own rate. INFRO adds routing, failover, request logs, cost attribution and policy around it, and takes no part of what you pay Stability AI.

Pricing

Per trackUSD · updated 2026-10-05

Stability AI rate

$0.20

per track, billed to you by Stability AI

INFRO adds

$0

0% markup on model spend

Calling Stable Audio 2.5

POST /v1/audio/speech
import os
from infro import Infro

client = Infro(api_key=os.environ["INFRO_API_KEY"])

audio = client.audio.speech.create(
    model="stability/stable-audio-2.5",
    input="Every AI model, one API.",
)

What this modality supports

  • Text to speech
  • Music generation
  • Transcription
  • Diarization

Text-to-speech with streaming playback, full-track music generation, and transcription with timestamps and diarization. Billed per character generated, per track, and per hour transcribed.

QuickstartGet a key

Alternatives for music and sound design

Same modality, nearest in price. All of them share the request shape above, so comparing them is a one-word change.

Work out what Stable Audio 2.5 would cost you

Put your current spend on this model into the calculator and see the same workload priced here — or have us read your real usage.

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