Castmagic: AI content platform that transcribes podcasts, videos, and recorded meetings with speaker diarization and turns them into show notes, summaries, and other assets. Soniox: Multilingual speech AI platform offering real-time and async speech-to-text and translation APIs for meetings and voice apps. 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 Castmagic when transcribing podcast episodes and generating show notes and summaries matters most, and Soniox when building voice agents and dictation features into apps 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.
Multilingual speech AI platform offering real-time and async speech-to-text and translation APIs for meetings and voice apps.
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
Soniox is a multilingual speech AI platform that provides speech-to-text, translation, and text-to-speech APIs aimed at developers building voice-enabled applications, including meeting transcription, voice agents, dictation, and call-center tools. Its speech recognition supports real-time streaming with low latency as well as asynchronous processing of recorded files, and it covers a broad set of languages with the ability to handle conversations where speakers switch languages mid-sentence. For meeting and multi-party scenarios, Soniox offers speaker separation so transcripts can attribute speech to individual participants, along with handling of names, alphanumerics, and domain-specific terms. The platform also includes real-time speech translation across many language pairs, which is useful for international calls and meetings. Soniox markets enterprise-grade compliance, including SOC 2 Type 2, ISO 27001, HIPAA, and GDPR, and offers multi-region deployment with data-residency options and a privacy-oriented architecture where audio is processed in real time. Because it is delivered as APIs and SDKs, organizations typically embed Soniox into their own products rather than using it as a standalone meeting application. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Castmagic is a free tier with paid upgrades (freemium); Soniox is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Castmagic | Soniox |
|---|---|---|
| Core capability | Transcription of audio and video with speaker diarization | Real-time and asynchronous speech-to-text APIs |
| Standout feature | Automatic generation of summaries, show notes, titles, and timestamps | Speaker separation for multi-participant conversations |
| Team usage | Repurposing of recordings into social posts, newsletters, and blog content | Real-time speech translation across many language pairs |
| Integrations | Direct import from sources including YouTube, Google Drive, and Zoom | Code-switching support for mid-sentence language changes |
| Languages & capture | Semantic search across a media library of past recordings | Web and server SDKs for browser and backend integration |
| Best-fit workflow | Multi-brand workspaces with templates and approval workflows for teams | Enterprise compliance with SOC 2, ISO 27001, HIPAA, and GDPR |
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.
Soniox
Choose Soniox if you need transcribing multilingual meetings and calls in real time — strengths include strong multilingual and translation capabilities for global meetings.
Castmagic
Soniox
It depends on your workflow. Castmagic is strong for transcribing podcast episodes and generating show notes and summaries, while Soniox is strong for transcribing multilingual meetings and calls in real time. Both transcribe and summarize meetings.
Castmagic is a free tier with paid upgrades and Soniox 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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