Ace Step

Ace Step

Playground

ACE-Step generates up to 4-minute music with lyrics from text and high acoustic fidelity; supports voice cloning, lyric edits, and remixing. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

ACE-Step — Text to Audio 🎵

ACE-Step Text-to-Audio is a next-generation AI music generation model that composes complete songs — including vocals, instrumentals, and lyrics — directly from text descriptions. It enables creators to produce professional-quality music up to 4 minutes long, from a simple prompt and a few style tags.

✨ Key Features

• 🎶 Text-to-Music Generation Transform plain descriptions into coherent music tracks with melody, rhythm, and lyrics. Example: “A soulful R&B song with emotional vocals and smooth piano chords.”

• 🎚 Style Tag Control Enter multiple tags such as lofi, hiphop, drum and bass, trap, chill to guide genre, tempo, and energy.

• 🎤 Vocal & Lyric Creation Generates original vocals and synchronized lyrics that fit your prompt’s tone and rhythm.

• 🪄 Voice Cloning & Remixing (Advanced) Optionally replicate vocal tone or remix existing musical ideas using the same control interface.

• 🎧 Fine-Grained Acoustic Fidelity Maintains dynamic balance, spatial quality, and instrument clarity for professional-grade sound.

• 🕒 Flexible Duration Adjustable from a few seconds to 4 minutes (240 seconds) — ideal for everything from jingles to full songs.

🎵 Use Cases

• Music Production & Songwriting — Generate complete demos or backing tracks instantly.
• Film, Game & Media Scoring — Create mood-specific tracks with precise control over emotion and pacing.
• Advertising & Content Creation — Design catchy audio for short-form content or brand storytelling.
• Education & Experimentation — Teach structure, genre, or lyric composition with immediate feedback.
• Soundtrack Prototyping — Preview musical direction before full studio production.

⚙️ Parameters

💰 Pricing

🎶 Summary

ACE-Step Text-to-Audio empowers musicians, content creators, and storytellers to compose songs from words alone — blending lyrical intelligence, genre control, and acoustic quality into one seamless creative tool.

# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/wavespeed-ai/ace-step" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "lyrics": "",
    "duration": 60,
    "seed": -1
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"