Inworld AI

Visit Inworld AI →

Realtime voice models and open LLMs on a fleet we operate, for the apps people use every day. First audio as low as 50 ms; tens of trillions of tokens a month.

Our take

Last updated 14 October 2026

Inworld's current site describes realtime speech infrastructure: text to speech, speech to text, speech to speech, and hosted language models. It is aimed at developers adding voice to apps, with usage prices printed per million characters or per hour. Music and sound-effect generation are not what these pages describe, even though this directory files it under audio.

Best for Developers adding realtime voices or speech-to-speech to an app or game.

Pros

  • Realtime TTS, speech to text, and speech-to-speech are documented, including streaming and voice cloning.
  • A commercial license is listed on the published plans, including pay as you go at $0 to start.
  • Dedicated and regional deployment options are described for larger plans.

Cons

  • The pages we read do not describe song or sound-effect generation.
  • On-demand limits are tighter: a 2,000-character playground cap and fewer concurrent requests.
  • HIPAA, zero data retention, and an SLA are add-ons or enterprise items, not on the cheapest plan.

Written from the vendor's official site and docs, not a hands-on benchmark. How we review tools.

CategoryMusic, SFX & Voice
PricingFree plan or free trial mentioned on official site; see official pricing page for current prices. — official pricing
Websitehttps://inworld.ai
Last checked2026-10-14

Description taken from the tool's official website meta description.

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