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Inworld AI

inworld.ai

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Spec score 8.2 #19 of 45 in Game Voice Generators

Spec sheet

Product
Inworld describes itself as a research lab and inference provider for realtime AI at consumer scale, with first-party TTS and STT models and customer-selected LLMs.Read 2 Oct 2026 · inworld.ai
Integrations
The documentation lists OpenAI compatibility and a Twilio telephony integration for Realtime TTS.Read 2 Oct 2026 · docs.inworld.ai
Security
Inworld states it has SOC 2 Type II certification and HIPAA and GDPR compliance, and describes AES encryption for data at rest and in transit.Read 2 Oct 2026 · inworld.ai
Support
The pricing page lists community support on On-Demand through Builder, priority email support on Developer and Growth, and an account manager plus Slack channel for Enterprise.Read 2 Oct 2026 · inworld.ai
Headquarters
Mountain View, California, United StatesRead 23 Sep 2026 · inworld.ai
Founded
2021Read 23 Sep 2026 · inworld.ai
Company
Inworld’s privacy policy says it is headquartered in the United States; its jobs privacy page gives a Mountain View, California address.Read 2 Oct 2026 · inworld.ai
LLM routing
Realtime Router routes requests across OpenAI, Anthropic, Google, and 220+ models, and the page states it adds zero markup and includes failover, A/B testing, and analytics.Read 2 Oct 2026 · inworld.ai
Realtime API
The Realtime API provides speech-in and speech-out over one WebSocket, with custom voices and tool calling.Read 2 Oct 2026 · inworld.ai
Realtime STT
Realtime STT offers streaming transcription, voice profiling signals for emotion, age, accent, pitch, and style, custom vocabulary, timestamps, and diarization.Read 2 Oct 2026 · inworld.ai
Realtime TTS
Realtime TTS-2 supports voice direction, voice cloning, and 200+ languages, and the homepage states under 100 ms time to first byte for TTS-2.Read 2 Oct 2026 · inworld.ai
SDKs
Inworld says its Unreal AI Runtime SDK is available for download and its Unity AI Runtime SDK is available for early access.Read 2 Oct 2026 · inworld.ai
Usage credits
Paid plans provide monthly credits equal to the plan price, and unused subscription credits roll over for up to three months while the customer maintains an active paid plan of equal or higher value.Read 2 Oct 2026 · inworld.ai
Who it serves
Inworld says its products are for consumer-facing applications, with solution areas including social and companions, learning and education, health and wellness, agentic workforce, and games and media.Read 2 Oct 2026 · inworld.ai
Zero data retention
The security page says customers can ask Inworld to enable zero data retention for their account; pricing lists ZDR as an add-on for Growth.Read 2 Oct 2026 · inworld.ai

Plans and prices

On-Demand Free Start free; usage-based rates Up to 70 min TTS included · 100 custom voices · TTS-2 $25/1M chars · TTS-2 Flash $15/1M chars · STT 1 $0.15/hr · LLMs at cost Read 2 Oct 2026 · inworld.ai
Creator $25 a month $25/mo $25 in credits per month · Up to 33% off TTS & STT rates · 500 custom voices · 40K chars per TTS Playground request Read 2 Oct 2026 · inworld.ai
Builder $100 a month $100/mo $100 in credits per month · Up to 40% off TTS & STT rates · 3,000 custom voices · Increased concurrency limits Read 2 Oct 2026 · inworld.ai
Developer $300 a month $300/mo $300 in credits per month · Up to 47% off TTS & STT rates · 10,000 custom voices · Priority email support Read 2 Oct 2026 · inworld.ai
Growth $1,500 a month $1,500/mo $1,500 in credits per month · Up to 53% off TTS & STT rates · 30,000 custom voices · Higher API concurrency & limits · ZDR, HIPAA & BAA (add-ons) Read 2 Oct 2026 · inworld.ai
Enterprise Priced on request Custom pricing, limits & terms TTS-2 as low as $5/1M · TTS-2 Flash sub-$5/1M · Custom STT and LLM pricing · SLA & DPA · EU & India data residency · Dedicated AM & Slack channel Read 2 Oct 2026 · inworld.ai

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