Buzz: Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper. Kendo AI: AI sales training and management platform with human-like roleplay, automated call scoring, and targeted coaching. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Buzz when transcribing recorded meetings, interviews, podcasts, or lectures offline matters most, and Kendo AI when automatically scoring real sales calls against a chosen methodology matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Popular open-source desktop app that transcribes and translates audio offline on your own computer using OpenAI's Whisper.
AI sales training and management platform with human-like roleplay, automated call scoring, and targeted coaching.
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
Kendo AI is an AI sales training and management platform that combines human-like roleplay simulations with automated call review and coaching. Reps practice against customizable AI prospects that raise realistic objections across call types including cold calls, discovery, and closing, using a custom prospect builder that lets teams set job titles, company sizes, and conversational styles. Beyond practice, Kendo automatically reviews real sales calls using custom scorecards built on methodologies such as BANT or MEDDPICC, providing consistent scoring and specific, actionable feedback rather than surface-level notes. The platform can ingest winning call recordings and analyze what made them successful so that those patterns inform coaching. A centralized context system organizes calls, scripts, frameworks, objections, and historical data so insights are shared across the team, and integrated coaching assigns targeted training to individual reps based on their identified weaknesses instead of generic group sessions. Kendo supports practicing in multiple languages with various accents and is positioned by its makers as an AI sales manager that makes human reps better. Customers cite reduced ramp time and lower onboarding costs. The product is actively operating in 2026 and serves sales teams looking to unify roleplay, call scoring, and analytics. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Buzz is a free tier with paid upgrades (freemium); Kendo AI is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Buzz | Kendo AI |
|---|---|---|
| Core capability | Offline transcription and translation using OpenAI's Whisper | Human-like AI roleplay with a custom prospect builder |
| Standout feature | Real-time transcription from microphone input | Automated call review using custom scorecards (BANT, MEDDPICC, etc.) |
| Team usage | Speaker identification and speech separation for noisy audio | Analysis of winning call recordings to surface success patterns |
| Integrations | Exports to TXT, SRT, and VTT | Centralized context system for calls, scripts, and objections |
| Languages & capture | Watch folder for automatic transcription and a command-line interface | Targeted coaching assignments based on individual rep weaknesses |
| Best-fit workflow | GPU acceleration via CUDA, Apple Silicon, and Vulkan | Multi-language and multi-accent practice support |
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.
Kendo AI
Choose Kendo AI if you need practicing cold calls and discovery against tailored ai prospects — strengths include unifies roleplay practice, live-call scoring, and coaching in one platform.
Buzz
Kendo AI
It depends on your workflow. Buzz is strong for transcribing recorded meetings, interviews, podcasts, or lectures offline, while Kendo AI is strong for practicing cold calls and discovery against tailored ai prospects. Both transcribe and summarize meetings.
Buzz is a free tier with paid upgrades and Kendo AI is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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