Inworld AI
Provide real-time speech, TTS, STT, and LLM routing for interactive characters and agents through APIs.
Category: Media & Video · Avatars & business video
Features
Inworld AI is a real-time AI infrastructure platform for voice and agents. The platform offers real-time text-to-speech, speech-to-text, an LLM router, and custom voices in a scalable credit model that goes well beyond gaming applications.
Paid plans include dollar credits for usage across the APIs. Starting with Creator, unused credits can roll over for up to 3 months while the subscription stays active. Higher plans also differ in usage rates, concurrency, and administration features.
- Realtime TTS, speech to text, and an LLM router with separate usage rates
- Up to 70 text-to-speech minutes or 400 speech-to-text minutes free
- Creator: 500 custom voices and up to 33% off TTS/STT rates
- Credit rollover for up to 3 months from Creator with an active subscription
- Builder: up to 50 concurrent requests
- Growth: up to 53% off TTS/STT rates; Enterprise has custom pricing
Prices and plans
| Tier | Price | Period | What you get |
|---|---|---|---|
| On-Demand | free | Usage | Up to 70 TTS or 400 STT minutes free Up to 5 concurrent TTS requests Prototyping Usage credits thereafter |
| Creator | $25 | Month | $25 monthly credits Up to 10 concurrent TTS requests Up to 33% off TTS and STT rates 500 custom voices Credits roll for up to three months |
| Builder | $100 | Month | $100 monthly credits Up to 50 concurrent TTS requests Up to 40% off TTS and STT rates 3,000 custom voices |
| Developer | $300 | Month | $300 monthly credits Up to 150 concurrent TTS requests Up to 47% rate discount 10,000 custom voices and priority email |
| Growth | $1,500 | Month | $1,500 monthly credits Up to 500 concurrent TTS requests Up to 53% rate discount 30,000 custom voices and compliance add-ons |
| Enterprise | contact sales | Contract | Custom limits and compliance Realtime TTS-2 from $5/million characters according to vendor Custom support and deployments |
Limits
Credits are deducted by API product, model, and usage. Unused subscription credits can roll over for up to 3 months from Creator with an active subscription. For LLMs billed through Inworld, the current billing guide lists provider prices without markup. It does not specify a current BYOK surcharge.
Similar tools
FAQ
Is Inworld AI available for free?
Yes. A permanently free plan is published, not a time-limited trial. Up to 70 TTS or 400 STT minutes; up to 5 concurrent TTS requests.
Where is Inworld AI's vendor based?
Theai, Inc. (DBA Inworld), based in USA. For data processing and privacy terms the vendor's own contract governs.
Is Inworld AI still active?
Active router/speech platform with On-Demand, Creator, Builder, Developer, Growth, and Enterprise; old game-character pricing replaced.
How many plans are documented for Inworld AI?
The catalog documents 6 plans with price, billing period, and included features.
Which use case is Inworld AI categorized for?
Inworld AI is listed in the catalog under “Media & Video.”
Where do the details about Inworld AI come from?
Prices, limits, and product details are documented against the listed official vendor page.
How we compare
We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.
Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.
Edited and checked by the AI Compare team
Sources
- https://inworld.ai/pricing
- https://docs.inworld.ai/portal/billing
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