What turns into what
| Tool | Input | Output | From |
|---|---|---|---|
| Castmagic | Audio / video | Show notes, newsletter drafts, posts, clips | $19/mo annual |
| OpusClip | Long video | Short vertical clips | $0 · $15/mo |
| Submagic | Short video | Captioned, edited shorts | $12/mo yearly |
| Repurpose.io | Any finished video | Auto-posted to other networks | $35/mo |
| Descript | Audio / video | Edited episode + clips | $0 · $16/mo annual |
Official sources, checked Nov 2026. Castmagic · OpusClip · Submagic · Repurpose.io · Descript. Prices in USD unless shown otherwise. Vendors change pricing, so confirm on their site before buying.
Castmagic
Best for written contentHobby $19/mo, Starter $48/mo, Team $139/mo (billed annually)
- Turns one recording into show notes, newsletter drafts and social posts
- Imports from RSS, YouTube, Zoom and Google Drive
- Unlimited AI outputs, re-generations and clips on every plan
- Prices we verified are for annual billing
- Hours are a library total, not a monthly allowance
- API access starts at Starter ($48/mo)
OpusClip
Best for clipsFree plan; Starter $15/mo, Pro $29/mo
- Free plan to try the auto-clipping
- Pro adds a social scheduler and multi-aspect reframing
- Pro exports to Premiere Pro and DaVinci Resolve
- Free exports are watermarked and expire after 3 days
- Only 9:16 output below Pro
- Cloud storage starts at Pro
Submagic
Best for caption polishStarter $19/mo ($12 yearly), Pro $39/mo, Business $69/mo
- No watermark even on Starter
- Yearly billing cuts Starter to $12/mo
- Pro removes silences and bad takes automatically
- Starter caps videos at 2 minutes
- Monthly video limits (15 / 40 / 100)
- 4K export only on Business
Repurpose.io
Best for distributionFrom $35/mo; $79/mo and $179/mo tiers
- Set-and-forget cross-posting workflows
- Entry plan covers 3 accounts per network
- 14-day free trial (up to 10 videos)
- Distributes content, it doesn’t clip or edit like OpusClip
- No free plan after the trial
- Higher tiers are priced for agencies
Descript
Best for editingFree plan; Hobbyist $24/mo ($16 annual), Creator $35/mo ($24 annual)
- Edit audio and video like a document
- Free plan to learn the workflow
- 4K export from Creator
- Free exports top out at 720p
- Media hours and AI credits are capped monthly
- Monthly billing costs up to 50% more than annual
Words. Castmagic. Clips. OpusClip. Posting. Repurpose.io.
Most solo creators need one written tool and one video tool. Add Repurpose.io when manual uploading becomes the bottleneck.
Castmagic alternativesOpusClip vs SubmagicBest AI tools for podcasters
Frequently asked questions
What is the best AI content repurposing tool?
For turning recordings into written content, Castmagic; for clips from long video, OpusClip; for auto-posting across networks, Repurpose.io.
Is there a free AI repurposing tool?
OpusClip and Descript have free plans with limits; Repurpose.io has a 14-day trial (checked Nov 2026).
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