Real-time Interactive AI Agents

Build AI agents that see, hear, and respond in real-time.

Create AI characters with vivid voice and lifelike presence. Build talking avatar videos and illustrated multimedia books. Real-time lip-synced avatars that run on-device — from Raspberry Pi to iPhone to NVIDIA GPU. Start free with 99 credits per month — no credit card required.

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What you can build

• Real-time avatars — Audio in, lip-synced animated face out at 25 FPS.
• Talking avatar videos — Generate scripted videos with any face image.
• Illustrated multimedia books — Combine characters, narration, and imagery.
• Shareable multi-avatar apps — Embed bitHuman agents anywhere.

Runs everywhere

Python SDK (pip install bithuman), Swift SDK for Apple devices, REST API, and a no-code web dashboard. Essence model runs on any CPU. Expression model runs on NVIDIA GPU or Apple Silicon M3+. All inference is on-device — the only network call is a 1-request-per-minute billing heartbeat.

For developers

Production-ready SDK with comprehensive documentation. Visit the API reference or jump straight to the developer dashboard to grab an API key.