Koji and aTrain are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Koji: AI-native customer research platform whose AI interviewer runs voice and text discovery conversations at scale, then synthesizes themes automatically. 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, so the right pick depends on team size, budget, and which meeting workflows you automate.
How Hosiqo compares and tests toolsFinal recommendation
For ai-meeting-assistants workflows, shortlist Koji when running exploratory discovery interviews without scheduling live calls 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.
AI-native customer research platform whose AI interviewer runs voice and text discovery conversations at scale, then synthesizes themes automatically.
Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection.
Koji 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.
| Feature | Koji | aTrain |
|---|---|---|
| Core capability | AI interviewer that runs asynchronous voice and text discovery conversations at scale | Offline, fully local transcription with no data leaving the device |
| Standout feature | AI research agent that drafts research goals and interview guides from a brief | Built on OpenAI Whisper via the faster-whisper engine |
| Team usage | Automatic per-interview analysis with key moments and sentiment | Speaker detection/diarization using pyannote.audio |
| Integrations | Cross-interview synthesis into study-wide themes, patterns, and recommendations | Exports compatible with MAXQDA, ATLAS.ti, and NVivo |
| Languages & capture | Insights traceable back to specific participant quotes | Graphical interface requiring no programming skills |
| Best-fit workflow | MCP integrations with Claude, ChatGPT, Cursor, and Notion | NVIDIA GPU acceleration support |
Koji
Choose Koji if you need running exploratory discovery interviews without scheduling live calls — strengths include removes scheduling overhead by running many interviews in parallel and asynchronously.
aTrain
Choose aTrain if you need researchers transcribing recorded interviews for qualitative analysis — strengths include free and open source under agpl-3.0.
Koji
aTrain
It depends on your workflow. Koji is strong for running exploratory discovery interviews without scheduling live calls, while aTrain is strong for researchers transcribing recorded interviews for qualitative analysis. Both transcribe and summarize meetings.
Koji 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.
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.