Castmagic vs Deepgram
Castmagic and Deepgram are both audio AI tools, tracked here on price, platforms, integrations, and capabilities. Every figure below is read from the vendor's own pages and dated. No score and no winner: the facts do the picking.
Castmagic
AI content platform for audio and video repurposing
Castmagic is an AI content platform that converts audio and video recordings into transcripts, show notes, newsletters, and social media posts. The platform supports over 60 languages and integrates with tools like Zoom, Google Drive, and Zapier. Content teams and creators collaborate in shared workspaces to draft and publish assets in their brand voice.
Deepgram
Real-time APIs for speech-to-text, text-to-speech, and voice agents
Deepgram provides real-time and batch APIs for speech-to-text, text-to-speech, and voice agents. It offers Nova transcription models supporting over 45 languages and features like speaker diarization.
At a glance
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Checked against the vendors. Written from each vendor's own site and last re-checked there: Castmagic on July 29, 2026 · Deepgram on July 31, 2026. Vendors change pricing and features without notice, so confirm anything that decides your purchase on the vendor's page.
Also in audio
A tool we have an affiliate relationship with. It is not part of the comparison above and we are not calling it the better pick.

- Recording and summarizing meetings without sending a bot into the call
- Pulling action items out of a call instead of writing notes during it
- Enhancing clarity in online meetings
Key features
Castmagic
- Automated speaker-labeled transcription in over 60 languages
- AI asset drafting for show notes, newsletters, blogs, and social posts
- Custom brand voice parameters and editable content templates
- Team workspaces with user permissions and approval workflows
- Semantic library search to locate quotes and key moments
Deepgram
- Speech-to-text transcription
- Text-to-speech generation
- Voice agent API
- Audio intelligence and PII redaction
- Speaker diarization and language detection
What each one does well
Castmagic
- ✓ Repurposing podcast and video recordings into social posts, newsletters, and blogs
- ✓ Content teams and agencies managing multi-brand client media pipelines
- ✓ Transcribing and summarizing meetings, webinars, and sales calls
Deepgram
- ✓ Building real-time voice agents
- ✓ Transcribing multilingual audio with background noise
- ✓ Generating low-latency text-to-speech responses
People also ask
Does Castmagic or Deepgram have a free plan?
Castmagic publishes no free plan, and Deepgram has a free plan.
What is the difference between Castmagic and Deepgram?
Both are tracked for speech-to-text, speaker-identification. Of the capabilities they do not share, only Castmagic is tracked for transcription, summarization, brand-voice, marketing-content, and only Deepgram is tracked for text-to-speech, ai-agents.
How much do Castmagic and Deepgram cost?
Castmagic: from $19/mo. Deepgram: free.
Answers are generated from the tracked plans and capability tags shown above, so they move when the vendors' pages do.
Full fact sheets, FAQs, and discussion links: Castmagic · Deepgram · all audio tools