Inworld AI

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Inworld AI is ranked #1 of 40 in game voice generators on Inferse. It runs on API, Self-hosted, Web. There is a free plan. Paid plans start at $25/mo.

Compared on game voice generators

Free plan: Yesinworld.ai
Paid from: $25/moinworld.ai
Commercial use: Yesinworld.ai
Voice cloning: Yesinworld.ai
API access: Yesinworld.ai
SSML or speech controls: Yesinworld.ai
Language count: 200 languagesinworld.ai
Audio export formats: MP3, WAV, PCM, LINEAR16, OGG_OPUS, μ-law, A-law, FLACinworld.ai
Game engine tools: Unreal AI Runtime SDK; Unity AI Runtime SDK early accessinworld.ai

Facts

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.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
Realtime API: The Realtime API provides speech-in and speech-out over one WebSocket, with custom voices and tool calling.inworld.ai · 2 Oct 2026
Realtime STT: Realtime STT offers streaming transcription, voice profiling signals for emotion, age, accent, pitch, and style, custom vocabulary, timestamps, and diarization.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
Integrations: The documentation lists OpenAI compatibility and a Twilio telephony integration for Realtime TTS.docs.inworld.ai · 2 Oct 2026
SDKs: Inworld says its Unreal AI Runtime SDK is available for download and its Unity AI Runtime SDK is available for early access.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
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.inworld.ai · 2 Oct 2026
Company: Inworld’s privacy policy says it is headquartered in the United States; its jobs privacy page gives a Mountain View, California address.inworld.ai · 2 Oct 2026