[ Qwen ]

Qwen3-TTS

Routed to the cheapest source. At or below list. Priced in USD per 1M characters, paid in USDF, with no subscription and no minimum.

All models
Qwenqwen3-ttsAvailablespeechMax input: 4,000 characters

Input

$20.00

USD per 1M characters

Max input

4,000

characters

Model ID
qwen3-tts
Modality
speech
Unit
USD per 1M characters
Status
Available
Endpoints
/v1/audio/speech
Max input
4,000 characters
Pricing basis
Routed to the cheapest source. At or below list.

Sources

Zero retentionNo training

Make your first request

Responses include a receipt with the exact cost.

No account: send the same request to /x402/v1/audio/speech without credentials and the gateway answers 402 with the quote. Pay per request.

curl https://api.usdf.fi/v1/audio/speech \
  -H "Authorization: Bearer $USDF_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen3-tts", "input": "Hello", "response_format": "mp3"}' \
  --output speech.mp3  # the response body is audio bytes