Otter.ai and WhisperLiveKit are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Otter.ai: AI meeting assistant that records, transcribes, and summarizes meetings in real time with an auto-joining meeting agent. WhisperLiveKit: Open-source, self-hosted real-time speech-to-text and speaker diarization toolkit with a FastAPI server and web interface, suitable for meeting transcription. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist Otter.ai when real-time meeting transcription matters most, and WhisperLiveKit when self-hosted real-time meeting transcription with speaker labels matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
Open-source, self-hosted real-time speech-to-text and speaker diarization toolkit with a FastAPI server and web interface, suitable for meeting transcription.
FastAPI backend with OpenAI-compatible REST API and Deepgram-compatible WebSocket protocol
Included customizable HTML/JavaScript web interface and Docker images (GPU and CPU)
Multiple ASR backends (Whisper variants, Voxtral, Qwen3-ASR) and 200+ language support with translation
Otter.ai is a free tier with paid upgrades (freemium); WhisperLiveKit is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
Real-time streaming speech-to-text with low latency over WebSocket
Standout feature
OtterPilot auto-join agent
Real-time speaker diarization to distinguish multiple speakers
Team usage
AI summaries and action items
FastAPI backend with OpenAI-compatible REST API and Deepgram-compatible WebSocket protocol
Integrations
Searchable meeting notes
Multiple ASR backends (Whisper variants, Voxtral, Qwen3-ASR) and 200+ language support with translation
Languages & capture
Live highlights and comments
Included customizable HTML/JavaScript web interface and Docker images (GPU and CPU)
Best-fit workflow
Real-time transcription
Voice activity detection and multi-user support on a single backend
Best for
Otter.ai
Choose Otter.ai if you need real-time meeting transcription — strengths include fast, accurate real-time transcription.
WhisperLiveKit
Choose WhisperLiveKit if you need self-hosted real-time meeting transcription with speaker labels — strengths include fully open source (apache 2.0) and self-hostable for private, on-premise transcription.
Pros & cons
Otter.ai
+ Free plan with 300 transcription minutes per month
+ Strong live transcription with speaker identification
- Free plan capped at 300 minutes/month and 3 lifetime file imports
WhisperLiveKit
+ Fully open source (Apache 2.0) and self-hostable for private, on-premise transcription
+ Real-time diarization and low-latency streaming designed for live scenarios like meetings
- Requires technical setup and, for best performance, GPU hardware
FAQ
Is Otter.ai or WhisperLiveKit better for AI meeting notes?
It depends on your workflow. Otter.ai is strong for real-time meeting transcription, while WhisperLiveKit is strong for self-hosted real-time meeting transcription with speaker labels. Both transcribe and summarize meetings.
How do Otter.ai and WhisperLiveKit compare on price?
Otter.ai is a free tier with paid upgrades and WhisperLiveKit is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both Otter.ai and WhisperLiveKit?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.