Music generation playground

Seed-Music API

ByteDance controllable music generation and editing.

Seed-Music is a music generation model from ByteDance, available on OttoPort's OpenAI-compatible API as the model ID seed-music at $0.034 / second as of 2026-10-14.

Provider

ByteDance

Price

$0.034 / second

Model ID

seed-music

Type

music generation model

Background scoresCreator contentProduct sound

Create with Seed-Music

music

Prompt

Duration

Your result appears here

Start with the example prompt or make it your own. Your OttoPort account is used securely for generation.

Pricing

Seed-Music API pricing

What OttoPort bills for Seed-Music, and what that works out to per unit. Rates are read from the same catalog the gateway meters against, and were current on 2026-10-14.

Per second	$0.034
30-second track	$1.02
60-second track	$2.04
Seconds per $10	294	of generated audio

No subscription and no minimum — OttoPort bills prepaid credits against usage. See the full rate card.

Quickstart

Call Seed-Music in three lines

Send "model": "seed-music" to POST https://ottoport.ai/api/v1/audio/music with an OttoPort key. No ByteDance account, no waitlist, no separate SDK.

curl https://ottoport.ai/api/v1/audio/music \
  -H "Authorization: Bearer $OTTOPORT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seed-music",
    "prompt": "warm optimistic electronic instrumental, 110 BPM, no vocals",
    "duration": 30
  }'

import requests

job = requests.post(
    "https://ottoport.ai/api/v1/audio/music",
    headers={"Authorization": "Bearer " + API_KEY},
    json={
        "model": "seed-music",
        "prompt": "warm optimistic electronic instrumental, 110 BPM, no vocals",
        "duration": 30,
    },
).json()
print(job["status"])

const res = await fetch("https://ottoport.ai/api/v1/audio/music", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "seed-music",
    prompt: "warm optimistic electronic instrumental, 110 BPM, no vocals",
    duration: 30,
  }),
});
const job = await res.json();

Before you start

1. Create a key at /api-keys.
2. Top up credits — the smallest pack is $25.
3. Paste the request. It returns a job ID; poll it or pass a webhook_url.

Full reference at /docs, or drive it from an agent with the MCP server and CLI.

Reference

Request parameters

The body POST https://ottoport.ai/api/v1/audio/music accepts for Seed-Music.

Field	Type	Required	Notes
model	string	Yes	Always seed-music for Seed-Music.
prompt	string	Yes	Genre, mood, instrumentation, tempo.
duration	integer	No	Seconds of output. This is the billed unit.

Comparison

Seed-Music direct vs through OttoPort

Seed-Music is the same model either way — what changes is how many accounts, keys, and integrations you carry to reach it.

	ByteDance direct	Via OttoPort
Accounts and keys	A ByteDance account, plus one more for every other model you add	One OttoPort account and one key for the whole catalog
Request shape	ByteDance's own SDK and response format	OpenAI-compatible — point baseURL at OttoPort and change the model string
Switching models	A new integration per provider	Replace seed-music with any other model ID in the catalog
Billing	A separate invoice and contract per provider	Prepaid credits, no subscription, one usage ledger
Provider outages	Your call fails	Configured backup routes are tried in order on provider failure

Set mood, genre, and energy.

Say whether vocals are wanted.

Describe the intended scene or usage.

FAQ

Seed-Music API questions

Cost, keys, and model IDs for Seed-Music on OttoPort.

How much does the Seed-Music API cost?

On OttoPort, Seed-Music costs $0.034 / second as of 2026-10-14. For scale, 30-second track: $1.02. Billing is prepaid usage with no subscription and no minimum, and the current rate is always published at ottoport.ai/pricing.

How do I get a Seed-Music API key?

You do not need a ByteDance key. Create an OttoPort account, generate a key at ottoport.ai/api-keys, and send it as "Authorization: Bearer <key>" to POST https://ottoport.ai/api/v1/audio/music with "model": "seed-music". The same key reaches every other model in the catalog.

What is the model ID for Seed-Music?

The OttoPort model ID for Seed-Music is seed-music. Pass it as the model field on POST https://ottoport.ai/api/v1/audio/music, or list it programmatically from GET https://ottoport.ai/api/v1/models.

Is Seed-Music generation synchronous?

No. POST https://ottoport.ai/api/v1/audio/music returns a job ID immediately. Poll GET https://ottoport.ai/api/v1/videos/generations/{id} for status, or pass webhook_url and webhook_secret and OttoPort will call you when the job settles. You are billed per second of output, so a failed job costs nothing.

Do I need a ByteDance account to use Seed-Music?

No. OttoPort connects to ByteDance on your behalf, so one OttoPort account covers Seed-Music and every other model in the catalog — no per-provider contracts, keys, or invoices.

Alternatives

Other music generation models on the same API

Same endpoint, same key — swapping model is a one-string change from seed-music.

Suno v6 API

Suno

$0.152 / request

Suno v6 Mini API

Suno

$0.152 / request

Suno v6 Wild API

Suno

$0.152 / request

Lyria 2 API

Google

$0.069 / second

Browse the full catalog — every model with its provider and per-unit price.