Inworld TTS-1.5 Max API

Inworld TTS-1.5 Max is a text-to-speech model by Inworld, available on the Venice API as tts-inworld-1-5-max. Requests are anonymized, so the provider never sees your identity.

Inworld TTS-1.5 Max API pricing

Model ID	Variant	Privacy	Price
`tts-inworld-1-5-max`	Standard	Anonymized	$12.50 per 1M characters

Inworld TTS-1.5 Max specifications

Spec	Value
Provider	Inworld
Released	Apr 17, 2026
Privacy	Anonymized
Voices	14
Formats	wav

How to use the Inworld TTS-1.5 Max API

Send requests to POST https://api.venice.ai/api/v1/audio/speech with "model": "tts-inworld-1-5-max" and your API key.

curl https://api.venice.ai/api/v1/audio/speech \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "tts-inworld-1-5-max",
    "input": "Private AI for everyone.",
    "voice": "Alex",
    "response_format": "mp3"
  }' --output speech.mp3

Inworld TTS-1.5 Max API FAQ

How much does the Inworld TTS-1.5 Max API cost?

12.50 per 1M characters of input text, about

0.01 per minute of generated speech. Prices are in USD and can be paid in DIEM at parity.

What is the Inworld TTS-1.5 Max model ID?

Use tts-inworld-1-5-max as the model parameter.

Is the Inworld TTS-1.5 Max API private?

Inworld TTS-1.5 Max is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

How many voices does Inworld TTS-1.5 Max have?

14 voices, for example Alex, Ashley, Craig. Output formats: wav.

Which endpoint does the Inworld TTS-1.5 Max API use?

Call POST /audio/speech.

Related models

xAI TTS v1 API: $18.75 per 1M characters
Chatterbox HD (Resemble AI) API: $50.00 per 1M characters
Gradium TTS API: $47.50 per 1M characters
ElevenLabs Turbo v2.5 API: $62.50 per 1M characters

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