123 Notetaker AI: Microsoft Teams marketplace app from BlueSky Apps that shows live transcription in the Teams sidebar and emails AI meeting notes afterward. Buzz: Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist 123 Notetaker AI when teams-centric organizations that do not have or want copilot licenses matters most, and Buzz when generating subtitles for video content in multiple formats matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Microsoft Teams marketplace app from BlueSky Apps that shows live transcription in the Teams sidebar and emails AI meeting notes afterward.
Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper.
123 Notetaker AI is an AI meeting notes and transcription app for Microsoft Teams, built by BlueSky Apps. It runs entirely inside the Teams interface and does not depend on Microsoft Copilot, giving teams an independent option for capturing meetings. During a call, participants can open the app from the meeting window to follow AI-powered transcription that appears in real time in the Teams app sidebar. After the meeting ends, 123 Notetaker AI generates a summary and emails the meeting notes, while transcripts and notes are stored in the user's BlueSky account for later reference. Because it is installed from the Microsoft commercial marketplace and operates within Teams rather than as a browser overlay or external bot, it fits organizations that want note-taking contained in their existing Teams workflow. BlueSky Apps offers a family of conferencing add-ons across Teams, Zoom, and Google Meet, and provides a free plan with paid upgrades for additional capacity and features. The app is currently listed and operating in 2025-2026, and is documented in the company's help center and several third-party Teams tool roundups. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Buzz is a widely used open-source desktop application that transcribes and translates audio offline on the user's personal computer, powered by OpenAI's Whisper. It is MIT-licensed and actively maintained, with v1.4.4 released in March 2026, and it has grown a large community with roughly 19.7k GitHub stars. Buzz runs on macOS, Windows, and Linux, with installation options including Flatpak, Snap, and PyPI. It supports both importing existing audio and video files and real-time transcription from microphone input, and it can export results in formats such as TXT, SRT, and VTT for subtitling and documentation. The app includes an advanced transcript viewer with search and playback controls, a watch folder for automatically transcribing new files, and a command-line interface for automation. It offers GPU acceleration through CUDA for Nvidia cards, Apple Silicon support, and Vulkan for many other GPUs, which makes faster transcription practical even on laptops. Buzz also provides speaker identification and speech separation for noisy audio, plus a plugin system that adds capabilities like AI-generated summaries. Because all processing happens locally, recordings and transcripts remain on the user's machine rather than being uploaded to a cloud service. Pricing varies by plan. Check the official website for current pricing.
Best suited for
123 Notetaker AI is a free tier with paid upgrades (freemium); Buzz is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | 123 Notetaker AI | Buzz |
|---|---|---|
| Core capability | Native Microsoft Teams app installed from the commercial marketplace | Offline transcription and translation using OpenAI's Whisper |
| Standout feature | Real-time transcription displayed in the Teams app sidebar | Real-time transcription from microphone input |
| Team usage | Automatic AI meeting summary emailed after the meeting | Speaker identification and speech separation for noisy audio |
| Integrations | Notes and transcripts stored in a BlueSky account for later access | Exports to TXT, SRT, and VTT |
| Languages & capture | Works without requiring Microsoft Copilot licensing | Watch folder for automatic transcription and a command-line interface |
| Best-fit workflow | Free plan with paid upgrade tiers | GPU acceleration via CUDA, Apple Silicon, and Vulkan |
123 Notetaker AI
Choose 123 Notetaker AI if you need teams-centric organizations that do not have or want copilot licenses — strengths include runs inside teams with no separate app or browser extension to manage.
Buzz
Choose Buzz if you need transcribing recorded meetings, interviews, podcasts, or lectures offline — strengths include fully offline so audio and transcripts stay on the user's computer.
123 Notetaker AI
Buzz
It depends on your workflow. 123 Notetaker AI is strong for teams-centric organizations that do not have or want copilot licenses, while Buzz is strong for transcribing recorded meetings, interviews, podcasts, or lectures offline. Both transcribe and summarize meetings.
123 Notetaker AI is a free tier with paid upgrades and Buzz 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.
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