Capabilities

Everything you need, nothing you don't.

Modern technology to bring the most advanced virtual companion straight to your browser.

Stable

Real-time Voice

Natural voice interaction using advanced speech recognition and text-to-speech technologies. Just talk: Haruka listens and responds in real time.

Beta

Gaming Companion

Capable of responding and understanding popular video games in real-time. Haruka can react and comment alongside you while you play.

Stable

WebGPU Acceleration

Full support for high-speed, secure, and completely private local AI processing. Haruka runs AI inference directly on your GPU, zero data leaves your device.

Stable

Live 3D Expressions

Highly expressive 3D models moving dynamically in response to touch and conversational voice. Every interaction triggers real, lifelike animations.

Stable

20+ LLM Providers

Connectable to 20+ large language model providers including OpenAI, Claude, and DeepSeek. One companion, unlimited intelligence options.

Stable

Multilingual Support

Native English and Japanese support built in. Practice your Japanese naturally with Haruka, she's patient, encouraging, and always happy to help.

Beta

PWA & Cross-Platform

Access your companion anywhere with a responsive web interface and native-like app installation. Works offline as a PWA.

Coming Soon

Plugin System

An extensible component architecture for custom skills, tools, and integrations. Build and share your own companion enhancements with the community.

Stable

Self-Hostable

Full control over your setup. Deploy Haruka on your own infrastructure: your data, your servers, your rules. No vendor lock-in, ever.