Hosted model: runware-ace-step-v1-5-xl-sft

ACE-Step v1.5 XL SFT is the supervised fine-tuned 4B DiT variant in the ACE-Step 1.5 XL line. It is positioned as the highest-quality XL option, combining 50-step CFG inference with stronger prompt adherence and refined audio quality for text-to-music, cover, and repaint workflows when final output quality matters more than speed or broader editing task coverage.

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runware-ace-step-v1-5-xl-sft

AvailableHosted modelMusicAsync

Price: From $0.00195
Modalities: Audio

Getting started

Create API key
Create a key in Console, then use it with every model on the platform.

Send your first request

Copy the example for your language and run it against the endpoint.

MusicTokenLab endpoint

POST/v1/music/generations

curl -X POST "https://api.tokenlab.sh/v1/music/generations" \
  -H "Authorization: Bearer sk-xxx" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "runware-ace-step-v1-5-xl-sft",
  "prompt": "Warm ambient piano with subtle rain textures.",
  "title": "Evening Drift"
}'

Pricing

Official price is the model maker's public baseline. TokenLab price is what you pay for this model on TokenLab.

Music

Per request

Official price: $0.00195
Official: $0.00195
Discount: -

	Official pricePer request	OfficialPer request	Discount
Music	$0.00195	$0.00195	-

Usage & activity

Success rate is the share of requests that completed. Latency is how long a full response takes; P95 means 95% of requests finished within that time.

Usage & availability

Last 24 hours

No data yet

Model performance

Last updated Oct 1, 2026, 05:27 AM UTC

Metrics appear once privacy and data volume thresholds are met.

Data is based on aggregate user requests, excluding status checks.

Open in Console

Open ACE-Step v1.5 XL SFT in Console with a prompt ready to edit or send.

Help me create with runware-ace-step-v1-5-xl-sft using music at /v1/music/generations. Show the result, status, and cost.

Use cases

Audio concepts

Prototype background tracks, sonic branding, and campaign cues.

Side-by-side test

Compare response quality, latency, and price side by side.

Prompt examples

Generate a short upbeat background track for a product demo.

Send the smallest possible request and show me the result and cost.

Compare this model with a cheaper one in the same category — when is each worth it?

FAQ

How much does ACE-Step v1.5 XL SFT cost?

On TokenLab, ACE-Step v1.5 XL SFT costs $0.00195 Per request. The pricing table above shows the full breakdown. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.

What is ACE-Step v1.5 XL SFT best for?

ACE-Step v1.5 XL SFT supports Music. You can open it directly in Create.

How do I test ACE-Step v1.5 XL SFT?

Open ACE-Step v1.5 XL SFT in Create. A sample for /v1/music/generations will be ready to try.

Which endpoint should ACE-Step v1.5 XL SFT use?

Use https://api.tokenlab.sh/v1/music/generations for ACE-Step v1.5 XL SFT. The request example below shows the matching code shape.

Can I test ACE-Step v1.5 XL SFT before integrating it?

Yes. Open Console starts a ready draft for ACE-Step v1.5 XL SFT and keeps your prompt after sign-in, so you don’t lose context.

Which operations does ACE-Step v1.5 XL SFT support?

ACE-Step v1.5 XL SFT supports Music. Select an operation above to see its endpoint and request example.