ACE-Step 1.5 API

ACE-Step 1.5 is a music generation model by ACE Studio, available on the Venice API as ace-step-15. Requests are anonymized, so the provider never sees your identity.Feature-rich song generation with optional lyrics and detailed musical controls.

ACE-Step 1.5 API pricing

Model ID	Variant	Privacy	Price
`ace-step-15`	Standard	Anonymized	$0.03 per minute of audio

ACE-Step 1.5 specifications

Spec	Value
Provider	ACE Studio
Released	Feb 23, 2026
Privacy	Anonymized

How to use the ACE-Step 1.5 API

Send requests to POST https://api.venice.ai/api/v1/audio/queue with "model": "ace-step-15" and your API key.

# 1. Queue the job
curl https://api.venice.ai/api/v1/audio/queue \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "ace-step-15",
    "prompt": "Warm lo-fi hip hop beat with soft piano and vinyl crackle",
    "duration_seconds": 30
  }'

# 2. Retrieve when ready
curl https://api.venice.ai/api/v1/audio/retrieve \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "model": "ace-step-15", "queue_id": "<queue_id>" }' --output audio.mp3

ACE-Step 1.5 API FAQ

How much does the ACE-Step 1.5 API cost?

$0.03 per minute of generated audio. Prices are in USD and can be paid in DIEM at parity.

What is the ACE-Step 1.5 model ID?

Use ace-step-15 as the model parameter.

Is the ACE-Step 1.5 API private?

ACE-Step 1.5 is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

Which endpoint does the ACE-Step 1.5 API use?

Queue a job with POST /audio/queue, then poll /audio/retrieve for the result.

Related models

MiniMax Music 2.0 API: $0.04 per track
Lyria 3 Pro API: $0.10 per track
Stable Audio 2.5 API: $0.19 per track
MiniMax Music 2.5 API: $0.18 per track

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