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Inworld · First-party API · TTS

inworld-tts-1.5-max

Release announcedReleased on Jan 21, 2026

Inworld released inworld-tts-1.5-max on Jan 21, 2026. Source: docs.inworld.ai · Last checked Oct 15, 2026

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Notice

Release announced

Released on Jan 21, 2026

Inworld announced this model on 2026-01-21.

Hosting route
First-party API
Affected scope
Not stated in the notice
Announced
Jan 21, 2026
First seen by ModelClock
Oct 13, 2026

What the provider published

docs.inworld.ai ↗

Launched Inworld TTS 1.5, our newest generation of realtime TTS models featuring:

  • Two New Models: Our flagship model inworld-tts-1.5-max is ideal for most use cases, with the best balance of quality and speed. For use cases where latency is the top priority, we also offer inworld-tts-1.5-mini.

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