Inworld AI, a privately owned US company founded in 2021, develops generative AI character engines. As of 2023, the company employs approximately 80 people and has reported revenues of less than $10 million. Its primary focus is creating AI-driven characters for applications in gaming, entertainment, and interactive experiences.
On August 13, 2025, Inworld AI released Inworld Runtime, an AI runtime designed to scale consumer applications. This runtime allows developers to transition from prototype to production more quickly and accommodates user growth from 10 to 10 million users with minimal code adjustments. Inworld AI also detailed its two-stage text-to-speech architecture, referencing a highly-performant AI inference stack called MAX.
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