CassetteAIFastStandard

CassetteAI Music Generator

CassetteAI's fast, low-cost music generator via fal.ai. Produces 10 to 180 seconds of music from a text prompt at under one credit per second. Returns a WAV file.

47 credits

per 60s (0.775 credits per second of duration)

Cheapest music model on the platform — 0.775 credits per second

10 to 180 seconds per generation

Fast turnaround for drafts and loops

WAV output

Run it right now

Test this model instantly in the Console Playground — no code required

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txtllms.txt ↗

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "cassetteai/music-generator",
  "input": {
    "prompt": "Upbeat K-pop electro-pop company jingle instrumental, 128 BPM, synth brass stabs, punchy drums, bright synth lead, catchy hook, fun and playful",
    "duration": 30
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	The prompt to generate music from (genre, mood, instruments, tempo)
`duration`	integer	Yes	60	Duration of the generated music in seconds (10-180). Billed per second

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

Core.Today theme (instrumental)

The same company-theme prompt given to every instrumental model — compare the results side by side

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "cassetteai/music-generator",
  "input": {
    "prompt": "Upbeat K-pop electro-pop company jingle instrumental, 128 BPM, synth brass stabs, punchy drums, bright synth lead, catchy hook, fun and playful",
    "duration": 30
  }
}'

Lo-fi beat

A 30-second chill lo-fi loop

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "cassetteai/music-generator",
  "input": {
    "prompt": "Chill lo-fi hip hop beat with warm piano chords, vinyl crackle and a laid-back drum groove",
    "duration": 30
  }
}'