Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Sembly AI: Team-focused notetaker with action items across 48 languages The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and Sembly AI when multilingual meeting transcription matters most. Try them side by side on real calls before deciding — needs vary by team.
AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets.
Team-focused notetaker with action items across 48 languages
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
Sembly AI records and transcribes meetings in 40+ languages, then produces AI notes, summaries, and automatically detected tasks, with an AI chat assistant (Semblian) over single or multiple meetings. It connects to Zoom, Google Meet, Microsoft Teams, and Webex, and automates via Zapier, webhooks, MCP, and CRM tools. As of March 2026, Sembly no longer offers a permanent free plan — the only no-cost option is a time-limited Basic free trial; paid plans start at $10/user/mo (annual).
Best suited for
Castmagic is a free tier with paid upgrades (freemium); Sembly AI is from $10/mo (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Castmagic | Sembly AI |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | 40+ language transcription |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | Automated action items |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | Semblian AI chat |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Workflow automations |
| Languages & capture | Semantic search across a media library of past recordings | 40+ language transcription |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | Automated action items |
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.
Sembly AI
Choose Sembly AI if you need team ai notes with task automation — strengths include transcription and ai notes in 40+ languages.
Castmagic
Sembly AI
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while Sembly AI is strong for team ai notes with task automation. Both transcribe and summarize meetings.
Castmagic is a free tier with paid upgrades and Sembly AI is from $10/mo. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
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