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lyria-3.5

lyria-3.5 is a text to music tool from Gemini that runs in the background and returns audio. Pay as you go from $0.104 per song, with one API key.

Try itfrom $0.104 / song

Pricing

$0.104 per song.

Limits

Runs
In the background
Returns
audio
Longest queue wait
3600s
Run deadline
1800s
Largest inline input
1024 KB
Largest input file
500 MB
Largest output
4768 MB
Outputs per run
16

Input

FieldKindDefaultDescription
input requiredJSON—The input for the interaction.
response_formatJSON—Audio output format. Lyria 3.5 returns 44.1 kHz stereo audio as MP3 (the default) or WAV.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "gemini",
    "model": "lyria-3.5",
    "input": {
      "input": {}
    }
  }'