Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. OpenWhispr: Open-source, privacy-first voice-to-text desktop app for Mac, Windows, and Linux that also transcribes meetings into AI-organized notes. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and OpenWhispr when turning rough in-meeting notes into structured summaries and action items matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
Open-source, privacy-first voice-to-text desktop app for Mac, Windows, and Linux that also transcribes meetings into AI-organized notes.
Castmagic is an AI-powered content platform that transforms recorded audio and video into transcripts and a range of derived content. After a file is uploaded or imported, Castmagic transcribes it with speaker diarization and then automatically generates summaries, show notes, timestamps, titles, social media posts, newsletters, and other assets from the same recording. The platform integrates with sources including YouTube, Apple Podcasts, Google Drive, and Zoom, so recorded meetings and interviews can flow directly into a workspace for processing alongside podcast episodes. Castmagic includes semantic search across a media library, brand-voice customization, reusable templates, and commenting and approval workflows aimed at teams and agencies that manage content for multiple brands. While its marketing centers on podcasters and creators, the transcription, speaker labeling, and summary features make it applicable to meeting and interview recordings as well. It is intended for content teams, marketing agencies, podcasters, coaches, and sales organizations that want to convert recorded conversations into transcripts and repurposed written content rather than only a raw transcript. Pricing varies by plan. Check the official website for current pricing.
Best suited for
OpenWhispr is an open-source desktop application for macOS, Windows, and Linux that converts speech to text and includes a meeting notes capability built on the same engine. Its core function is global-hotkey dictation that inserts transcribed text at the cursor in any application, but it also ships an AI Notepad for meetings, an AI Chat that can reference past meetings, and an audio upload feature for transcribing recorded files. For meetings it captures the computer's audio directly rather than sending a bot into the call, transcribes the conversation in the background, and combines rough notes with the transcript to produce structured minutes that highlight decisions, action items, and next steps. Transcription can run locally using bundled Whisper and NVIDIA Parakeet models or connect to cloud models with a bring-your-own-key setup, and the project emphasizes that audio can be processed and discarded for privacy. The codebase is publicly available on GitHub and the app is actively maintained through 2026. It is aimed at developers, writers, and individuals or small teams who want a private, auditable, cross-platform transcription and meeting-notes tool. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Castmagic is a free tier with paid upgrades (freemium); OpenWhispr is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Castmagic | OpenWhispr |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | Open-source and auditable, with code published on GitHub |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | Cross-platform desktop app for macOS, Windows, and Linux |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | Local transcription via bundled Whisper and NVIDIA Parakeet models |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Bring-your-own-key cloud model option for flexibility |
| Languages & capture | Semantic search across a media library of past recordings | AI Notepad that turns rough meeting notes plus transcript into structured minutes |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | Full-text search and AI Chat across captured meetings |
Castmagic
Choose Castmagic if you need transcribing podcast episodes and generating show notes and summaries — strengths include goes beyond transcription to produce ready-to-use written content from recordings.
OpenWhispr
Choose OpenWhispr if you need privately transcribing computer-audio meetings without a bot joining the call — strengths include fully open source, so users can inspect and self-host the code.
Castmagic
OpenWhispr
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while OpenWhispr is strong for privately transcribing computer-audio meetings without a bot joining the call. Both transcribe and summarize meetings.
Castmagic is a free tier with paid upgrades and OpenWhispr is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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