Inworld icon

Inworld

Powering the new wave of interactive AI apps. Realtime, multimodal, proven by billions of interactions.

AI Characters
Freemium
Generative AI
Interactive AI Characters
Text-to-Speech (TTS)
VR/AR AI
AI Characters
Freemium
Generative AI
Interactive AI Characters
Text-to-Speech (TTS)
VR/AR AI
Inworld cover image

Inworld.ai is a generative AI platform for building deeply interactive, emotionally rich AI characters, especially for gaming, media, and immersive experiences.

Inworld.ai provides a toolkit called the Character Engine, enabling developers to create NPCs (non-player characters) that behave like real, thinking beings. These characters can talk, act, perceive the world, remember past interactions, and evolve their personalities. Inworld supports voice and text interaction, low-latency responses, and integrates with popular game engines like Unreal and Unity. Designers can control characters’ emotions, goals, and knowledge, making virtual worlds more dynamic and immersive.

Key Features

  • Character Brain: Manages personality, memory, goals, and emotions for AI characters.
  • Contextual Mesh: Defines knowledge bases, narrative constraints, and rules to keep NPCs coherent and in-character.
  • Real-Time AI Layer: Enables fast, low-latency interactions for real-time environments.
  • Expressive Voice (TTS): High-quality text-to-speech conveying emotion, tone, and character-specific voices.
  • Voice Cloning & Customization: Create unique character voices from short audio samples.
  • No-Code / Visual Editor: Build and tune character behavior, dialogue, and goals without coding.
  • Game Engine Integration: SDKs for Unreal, Unity, and Node.js to deploy AI characters into games or virtual worlds.
  • Narrative Tools: Tools like Narrative Graph and Script Assist to create dialogue, branching stories, and immersive narratives.
  • Safety & Moderation Controls: Filters and rules ensure character behavior stays appropriate and on-brand.
  • Observability & Optimization: Metrics and debugging tools to optimize AI performance, latency, and cost.

Benefits and Use Cases

Benefits:

  • Immersive Worlds: NPCs feel alive and believable, reacting dynamically to player actions.
  • Reduced Development Load: Visual tools and templates enable faster creation of rich AI characters.
  • Scalable Interaction: Supports hundreds of concurrent player-character interactions without pre-scripted responses.
  • Customizable Personality: Voices, emotions, and behaviors can be tailored for each character.
  • Safety by Design: Built-in moderation prevents inappropriate responses.
  • Cost & Performance Efficiency: Real-time AI and optimization tools manage resource use effectively.

Use Cases:

  • Game Development: Create dynamic NPCs in video games that evolve, remember, and drive narrative arcs.
  • Interactive Storytelling: Build characters for virtual worlds, VR experiences, or role-playing applications with realistic conversational abilities.
  • Training & Simulation: Use AI characters for role-play scenarios in customer service, leadership, or sales training.
  • Media & Entertainment: Develop virtual actors, narrators, or co-storytellers for interactive content.
  • AI Companions: Design virtual friends or assistants that respond with personality, memory, and emotional depth.