WhisperLiveKit and aTrain are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. 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. aTrain: Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection. 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 WhisperLiveKit when self-hosted real-time meeting transcription with speaker labels matters most, and aTrain when researchers transcribing recorded interviews for qualitative analysis 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 protocolIncluded 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
Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection.
Built on OpenAI Whisper via the faster-whisper engineExports compatible with MAXQDA, ATLAS.ti, and NVivoGraphical interface requiring no programming skills
WhisperLiveKit is a free tier with paid upgrades (freemium); aTrain 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
Offline, fully local transcription with no data leaving the device
Standout feature
Real-time speaker diarization to distinguish multiple speakers
Built on OpenAI Whisper via the faster-whisper engine
Team usage
FastAPI backend with OpenAI-compatible REST API and Deepgram-compatible WebSocket protocol
Speaker detection/diarization using pyannote.audio
Integrations
Multiple ASR backends (Whisper variants, Voxtral, Qwen3-ASR) and 200+ language support with translation
Exports compatible with MAXQDA, ATLAS.ti, and NVivo
Languages & capture
Included customizable HTML/JavaScript web interface and Docker images (GPU and CPU)
Graphical interface requiring no programming skills
Best-fit workflow
Voice activity detection and multi-user support on a single backend
NVIDIA GPU acceleration support
Best for
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.
aTrain
Choose aTrain if you need researchers transcribing recorded interviews for qualitative analysis — strengths include free and open source under agpl-3.0.
Pros & cons
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
- Works on recorded files rather than live meeting capture
FAQ
Is WhisperLiveKit or aTrain better for AI meeting notes?
It depends on your workflow. WhisperLiveKit is strong for self-hosted real-time meeting transcription with speaker labels, while aTrain is strong for researchers transcribing recorded interviews for qualitative analysis. Both transcribe and summarize meetings.
How do WhisperLiveKit and aTrain compare on price?
WhisperLiveKit is a free tier with paid upgrades and aTrain 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 WhisperLiveKit and aTrain?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.