ACE-Step 1.5 API: Pricing and Specs

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 / min

ACE-Step 1.5 specifications

Spec	Value
Provider	ACE Studio
Released	Feb 23, 2026
Privacy	Anonymized
Status	Stable
Open weights	Yes

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

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Stable Audio 2.5 API: $0.19 / track
MiniMax Music 2.5 API: $0.18 / track

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ACE-Step 1.5 API

ACE-Step 1.5 API pricing

ACE-Step 1.5 specifications

How to use the ACE-Step 1.5 API

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