AI Rate Card

TTS-1.5 Max · deepinfra

High-quality multilingual text-to-speech model by Inworld AI with 130+ preset voices across 15 languages. Supports voice cloning, word-level timestamps, and streaming. Optimized for natural, expressive speech with <250ms time-to-first-audio.

Base modelAll models on this baseAll models of the providerto the provider

Price, $ $50.00 / 1M chars

Limits

  • Every plan: 200 requests at once

Last checked 04.11.2026 12:08:11 UTC Source

Context —

Accepts —

Last checked 04.11.2026 12:00:14 UTC

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API

This model type has no common request format: see the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Adeepinfra%7Cinworld-ai/inworld-tts-1.5-max, prices checked 2026-11-04

Technical details

ID: offer:deepinfra|inworld-ai/inworld-tts-1.5-max