Models›Music

ACE-Step 1.5 ace-step-1.5

Songs with or without vocals from a style caption and lyrics, 10 s to 10 minutes, as 48 kHz stereo. quality turbo (default) or hifi.

From the live catalog

View .md

Audio

$0.0002–$0.0015 / second

region ATL Hugging Face ACE-Step/acestep-v15-xl-turbo

Pricing

Send quality with a tier or one of its aliases; without it a request gets the default. Each tier renders on its own engine, and a dearer one takes longer.

Tier	Also accepts	Price
`turbo` default	`auto`, `low`, `fast`	$0.0002 / second
`hifi`	`high`, `hd`	$0.0015 / second

Limits

What one subscription may send this model. Limits says what happens past them.

Requests a minute	At once
10	3 jobs pending or rendering

Inputs

Input	Accepts
`text`	max prompt 750 characters

Parameters

Does not stream.

Parameter	Type	Values	Default
`task`	string	text2music
`lyrics`	any
`duration`	integer	10–600 seconds	`120`
`n`	integer	1–1	`1`
`seed`	integer
`response_format`	string	mp3, wav, flac, opus, aac, pcm	`mp3`
`sample_rate`	integer	8000, 16000–48000	`48000`
`bitrate`	integer	32000, 64000–320000	`256000`
`bpm`	integer	30–300
`key`	any
`time_signature`	string	2/4, 3/4, 4/4, 6/8
`language`	string	ar, az, bg, bn, ca, cs, da, de, el, en, es, fa, fi, fr, he, hi, hr, ht, hu, id, is, it, ja, ko, la, lt, ms, ne, nl, no, pa, pl, pt, ro, ru, sa, sk, sr, sv, sw, ta, te, th, tl, tr, uk, ur, vi, yue, zh, unknown	`en`
`quality`	string	turbo, auto, low, fast, hifi, high, hd

Endpoints

POST/v1/music Create Music

A request

curl https://api.vultrinference.com/v1/music \
  -H "Authorization: Bearer $VULTR_INFERENCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "ace-step-1.5",
    "prompt": "Global Metadata\nBasic Attributes: bpm is 118. key is F, and scale is minor. Disco Pop / Nu-Disco.\nVocal Details\nBright female lead, close-miked, light doubles on the chorus.\nArrangement\nFour-on-the-floor kick, slap bass, string stabs, filtered synth swells into the chorus.",
    "lyrics": "[Verse]\nCity lights are humming low\nEvery window starts to glow\n[Chorus]\nWe keep on running through the night",
    "duration": 180,
    "response_format": "mp3",
    "callback_url": "https://example.com/hooks/music"
  }'

import os
import requests

response = requests.post(
    "https://api.vultrinference.com/v1/music",
    headers={"Authorization": f"Bearer {os.environ['VULTR_INFERENCE_API_KEY']}"},
    json={
        "model": "ace-step-1.5",
        "prompt": "Global Metadata\nBasic Attributes: bpm is 118. key is F, and scale is minor. Disco Pop / Nu-Disco.\nVocal Details\nBright female lead, close-miked, light doubles on the chorus.\nArrangement\nFour-on-the-floor kick, slap bass, string stabs, filtered synth swells into the chorus.",
        "lyrics": "[Verse]\nCity lights are humming low\nEvery window starts to glow\n[Chorus]\nWe keep on running through the night",
        "duration": 180,
        "response_format": "mp3",
        "callback_url": "https://example.com/hooks/music",
    },
)
print(response.json())

const response = await fetch("https://api.vultrinference.com/v1/music", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VULTR_INFERENCE_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "ace-step-1.5",
    "prompt": "Global Metadata\nBasic Attributes: bpm is 118. key is F, and scale is minor. Disco Pop / Nu-Disco.\nVocal Details\nBright female lead, close-miked, light doubles on the chorus.\nArrangement\nFour-on-the-floor kick, slap bass, string stabs, filtered synth swells into the chorus.",
    "lyrics": "[Verse]\nCity lights are humming low\nEvery window starts to glow\n[Chorus]\nWe keep on running through the night",
    "duration": 180,
    "response_format": "mp3",
    "callback_url": "https://example.com/hooks/music"
  }),
});
console.log(await response.json());