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  • Text-to-Music

ACE-Step 1.5 Base

AI-powered model for Text-to-Music

  • Free tier available
  • No subscriptions
  • No credit card required

Sample Outputs

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

“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.” “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.”

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

“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.” “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.”

“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.” “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.”

“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.” “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.”

“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.” “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.”

“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.” “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.”

“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.” “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.”

Capabilities

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.

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 · deAPI txt2music

curl -X 'POST' \
  'https://api.deapi.ai/api/v1/client/txt2music' \
  -H 'accept: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -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.

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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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ACE-Step 1.5 Base for Free

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