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Text-to-Music

ACE-Step 1.5 Base

Free Playground & API · $5 to Start

AI-powered model for Text-to-Music

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Sample Outputs

Real outputs generated with ACE-Step 1.5 Base on deAPI.

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"Dreamy shoegaze with layers of distorted reverbed guitars, ethereal female vocals buried in the mix, shimmering tremolo picking. My Bloody Valentine inspired wall of sound, warm and immersive."

BPM 95 Key E Genre Shoegaze

"Elegant classical piano sonata with expressive rubato, melancholic minor key, delicate arpeggios transitioning to powerful fortissimo. Chopin-inspired romanticism with crystal clear recording."

BPM 72 Key C#m Genre Classical

"Warm reggae groove with offbeat guitar skanks, deep dub bass with delay, one-drop drum pattern, warm Hammond organ, and brass stabs. Kingston studio vibes, sunny afternoon feel."

BPM 78 Key A Genre Reggae

"Aggressive thrash metal with lightning-fast palm-muted riffs, blast beat drums, growling bass, and a shredding guitar solo. Raw, high-energy production with early Metallica intensity."

BPM 180 Key Em Genre Thrash Metal

"Sultry bossa nova with nylon string guitar, soft breathy female vocal, light shaker percussion, warm upright bass, and gentle flute. Tropical sunset mood, intimate Rio cafe atmosphere."

BPM 68 Key D Genre Bossa Nova

"Hard-hitting trap beat with massive 808 sub bass, crispy rapid-fire hi-hat rolls, booming kick, dark minor chord pads, and distorted vocal chops. Atlanta trap production, aggressive and raw."

BPM 142 Key Gm Genre Trap

"Lively Celtic folk with fast fiddle melody, tin whistle harmony, bodhran frame drum, acoustic guitar strumming, and stomping feet. Irish pub session energy, warm and celebratory."

BPM 132 Key D Genre Celtic

"Raw emotional indie rock ballad with clean electric guitar arpeggios, tender raspy male vocal, building to powerful climax with distorted guitars and crashing drums. Radiohead-inspired dynamic range."

BPM 86 Key Fm Genre Indie Rock

Capabilities

Model ID: AceStep_1_5_Base

What you can do with ACE-Step 1.5 Base.

Text-to-Music

Generate original music from text prompts. Create background tracks, jingles, and full compositions with customizable duration.

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Technical Specifications

Inference Steps

5–100 steps

Duration

30–300 seconds

How to Use in deAPI

Integrate ACE-Step 1.5 Base into your app with a single API call.

POST https://api.deapi.ai/api/v1/client/txt2music 
curl -X 'POST' \
  'https://api.deapi.ai/api/v1/client/txt2music' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -d '{
    "model": "AceStep_1_5_Base",
    "prompt": "upbeat electronic background music",
    "duration": 30
}'
{
    "model": "AceStep_1_5_Base",
    "prompt": "upbeat electronic background music",
    "duration": 30
}

Tip: The API returns a request_id. Use webhooks (recommended) or poll GET /request-status/{'{'}request_id{'}'} for results.

Need an API key?

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Get started with ACE-Step 1.5 Base
1

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 2

Open Playground or API

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3

Generate & Ship

Use in your app, product, or workflow

Frequently Asked Questions

AI-powered model for Text-to-Music
ACE-Step 1.5 Base gives you full control: 5–100 inference steps, guidance scale from 3 to 20, tempo from 50–200 BPM, duration from 30–200 seconds, plus key signature selection. Higher steps and guidance produce more refined results.
Yes. Include lyrics in your prompt with structural tags like [verse], [chorus], [bridge]. The model generates both the instrumental arrangement and vocal performance matching the lyrics and style description.
Sign up for a free deAPI account at https://deapi.ai/register and get $5 in free credits — no credit card required. Then open the playground, select ACE-Step 1.5 Base, and generate your first result in seconds.
deAPI is pay-per-use with no subscriptions or monthly fees. Check the pricing page at https://deapi.ai/pricing for current per-generation rates.
Yes. ACE-Step 1.5 Base is available via the deAPI REST API. Submit a request, receive a request ID, and poll for the result. See the API documentation at https://docs.deapi.ai for code examples in Python, Node.js, and cURL.

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Get $5 in free credits and start generating with ACE-Step 1.5 Base.

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