Default uses your browser's built-in speech (free, offline, reliable in the room). Add an ElevenLabs key for a premium cinematic voice.
Applies live to both voices. ElevenLabs caps at 1.2x.
The demo runs on a polished scripted track that never fails live. Optionally paste your own Anthropic key to let Jarvis answer anything in real time with Claude.
Live AI mode Claude
Off = scripted demo. On = real Claude responses.
Your key stays on this device. It is saved only in this browser's localStorage and sent directly to Anthropic, never to us, never committed to any file. Model: claude-sonnet-4-6.