Audio models
Suno V4.5 Plus
On this page
Full songs with vocals from a text prompt.
| modelId | suno-v4-5 |
| Modality | music |
| Pricing | See this model on the Pricing page for the current per-call price (with your markup). |
Operations
| Operation | Endpoint | Description |
|---|---|---|
| Text to audio | POST /api/v1/generate | Base generation from a text prompt. |
| Poll task | GET /api/v1/task/{id}?model=suno-v4-5 | Retrieve state and result URLs. |
Input parameters
| Field | Type | Required | Values / example |
|---|---|---|---|
| modelVersion | select | required | V5, V4_5PLUS, V4_5, V4 |
| customMode | select | optional | false, true |
| prompt | textarea | required | Describe the style of music and the topic you want. |
| title | text | required | Enter a title |
| style | textarea | required | Enter style of music |
| personaId | text | optional | Enter persona ID |
| instrumental | select | optional | false, true |
| audioWeight | number | optional | — |
| vocalGender | select | optional | , m, f |
| styleWeight | number | optional | — |
| weirdnessConstraint | number | optional | — |
| negativeTags | text | optional | Styles to avoid, comma-separated |
Example request
bash
curl -X POST https://you.bot/api/v1/generate \
-H "Authorization: Bearer $YOUBOT_API_KEY" \
-H "Content-Type: application/json" \
-d '{"modelId":"suno-v4-5","input":{"modelVersion":"V4_5PLUS","customMode":"false","prompt":"…","title":"…","style":"…","personaId":"…","instrumental":"false","audioWeight":0.65,"vocalGender":"","styleWeight":8,"weirdnessConstraint":8,"negativeTags":"…"}}'