[ Inworld AI ]

realtime-tts-1.5-max

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

Inworld AIrealtime-tts-1.5-maxAvailablespeechMax input: 2,000 characters

Input

$50.00

USD per 1M characters

Max input

2,000

characters

Requires opting in to data retention.

Model ID: realtime-tts-1.5-max
Modality: speech
Unit: USD per 1M characters
Status: Available
Endpoints: /v1/audio/speech
Max input: 2,000 characters
Pricing basis: Routed to the cheapest source. At or below list.

Sources

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": "realtime-tts-1.5-max", "input": "Hello", "response_format": "mp3"}' \
  --output speech.mp3  # the response body is audio bytes