Realistic Avatars: $0.02 per minute, billed per second. Voice Agents: $0.06 per minute, billed per second. Open Source: Free (MIT License). Custom avatar: $199 per avatar (one time). Remove watermark: $19 per month. New accounts get $1 of free credits.
Key features
Transcribe audio and video from files or URLs
100+ language support
Speaker detection and diarization
Automatic timestamps
Transcript translation
Browser extension for tab audio capture
Multiple export formats
Transcript editing and proofing
Chat with transcript
AI proofreading and formatting
Real-time lip-sync with accurate mouth shapes from audio alone
Works with any TTS or voice provider (OpenAI, ElevenLabs, Azure, Fish Audio, Cartesia)
Avatar responds in less than 250 milliseconds
WebRTC delivery with video and audio in sync, no media servers required
LiveKit integration for drop-in avatar as participant
SDK with server and client libraries for quick integration
User interruption support to stop avatar mid-sentence
Sessions can run up to 3 hours each
Works with any language audio
No text or viseme data required
What makes it different
Free without signup required
Browser extension for direct tab transcription
Privacy-first approach with local processing for guests
Support for 100+ languages with speaker detection
Strict transcription guardrails to reduce AI hallucination
Photorealistic avatars that require no 3D work or custom training
Ultra-low latency under 250 milliseconds
Affordable pricing from $0.02 per minute, billed per second with no minimum