Speechmatics and WhisperLiveKit are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Speechmatics: Speech-to-text and voice AI provider offering real-time transcription and live captioning APIs. 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, ai-transcription, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants, ai-transcription workflows, shortlist Speechmatics when adding live captions to broadcasts, sports, and events 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.
Speech-to-text and voice AI provider offering real-time transcription and live captioning APIs.
APIs for embedding transcription into other applicationsLive captioning for events, broadcasts, and streamsLow-latency real-time processing for live use
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
Speechmatics 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.
Speech-to-text transcription for recorded and real-time audio
Real-time streaming speech-to-text with low latency over WebSocket
Standout feature
Low-latency real-time processing for live use
Real-time speaker diarization to distinguish multiple speakers
Team usage
Live captioning for events, broadcasts, and streams
FastAPI backend with OpenAI-compatible REST API and Deepgram-compatible WebSocket protocol
Integrations
Multi-speaker and multilingual support across many languages
Multiple ASR backends (Whisper variants, Voxtral, Qwen3-ASR) and 200+ language support with translation
Languages & capture
APIs for embedding transcription into other applications
Included customizable HTML/JavaScript web interface and Docker images (GPU and CPU)
Best-fit workflow
Speech-to-text transcription for recorded and real-time audio
Voice activity detection and multi-user support on a single backend
Best for
Speechmatics
Choose Speechmatics if you need adding live captions to broadcasts, sports, and events — strengths include real-time, low-latency transcription suitable for live captioning.
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
Speechmatics
+ Real-time, low-latency transcription suitable for live captioning
+ Broad language and multi-speaker coverage
- Primarily a developer-facing engine rather than a ready-made app
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 Speechmatics or WhisperLiveKit better for AI meeting notes?
It depends on your workflow. Speechmatics is strong for adding live captions to broadcasts, sports, and events, while WhisperLiveKit is strong for self-hosted real-time meeting transcription with speaker labels. Both transcribe and summarize meetings.
How do Speechmatics and WhisperLiveKit compare on price?
Speechmatics 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 Speechmatics and WhisperLiveKit?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.