WaveSpeedText to speechComing soon

google/gemini-3.1-flash/text-to-speech

Name: google/gemini-3.1-flash/text-to-speech
Brand: WaveSpeed

google/gemini-3.1-flash/text-to-speech is a text to speech tool from WaveSpeed that runs in the background and returns audio. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Price pending

Pricing

Price pending.

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

Field	Kind	Default	Description
`text` required	text	—	Script or dialogue to synthesize. Use each speaker name exactly as configured in speakers.
`language` required	one of Arabic (Egypt), Bangla (Bangladesh), Dutch (Netherlands), English (India), English (United States), French (France), German (Germany), Hindi (India), Indonesian (Indonesia), Italian (Italy), Japanese (Japan), Korean (South Korea), Marathi (India), Polish (Poland), Portuguese (Brazil), Romanian (Romania), Russian (Russia), Spanish (Spain), Tamil (India), Telugu (India), Thai (Thailand), Turkish (Turkey), Ukrainian (Ukraine), Vietnamese (Vietnam)	English (United States)	Language and locale spoken in the generated audio.
`voice`	one of Achernar, Achird, Algenib, Algieba, Alnilam, Aoede, Autonoe, Callirrhoe, Charon, Despina, Enceladus, Erinome, Fenrir, Gacrux, Iapetus, Kore, Laomedeia, Leda, Orus, Puck, Pulcherrima, Rasalgethi, Sadachbia, Sadaltager, Schedar, Sulafat, Umbriel, Vindemiatrix, Zephyr, Zubenelgenubi	Kore	Voice for single-speaker synthesis. Ignored when speakers is provided.
`speakers`	JSON	—	Speaker names and voices used by the script. Each speaker name must match the label used in text. Optional: omit for single-speaker synthesis, in which case the voice field is used.

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": "wavespeed",
    "model": "google/gemini-3.1-flash/text-to-speech",
    "input": {
      "text": "<text>",
      "language": "English (United States)"
    }
  }'