Slideator vs OpenCaptions
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Slideator compared with OpenCaptions
| Detail | 
Slideator | 
OpenCaptions |
|---|
| What it does | AI-powered platform to create, record, stream and share online video presentations
| Free, open-source video captions you control
|
|---|
| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| Not given
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| Pricing model | Freemium
| Freemium
|
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| Pricing | Free forever with Basic Plan. Personal and Professional plans available with upgraded features and storage.
| Free app (1080p at 30 fps), Pro one-time purchase 14.99 €, self-hosting free
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| Key features | - AI Slide Generator - automatically generate presentation slides from topics
- Webcam Overlay - record picture-in-picture webcam video with presentation slides
- Screen Annotations - highlight and draw on slides during recording
- Whiteboard Tools - draw and illustrate concepts dynamically during recording
- Live Presentation - go live and deliver presentations in real time
- Course Creator - create and publish video-based online courses
- Post Publisher - create and share video posts to multiple networks
- Slide Editor - create and edit professional slides in browser
- YouTube API integration for video hosting and distribution
| - Transcription with Whisper, Parakeet, or Apple Speech
- Word-by-word animated captions
- Caption styling and correction
- Export as MP4, WebM, ProRes, SRT, VTT or JSON
- iPhone app with on-device transcription
- Self-hosted Docker deployment
- HTTP API for scripts and pipelines
- Integration with Claude, Cursor and MCP clients
- Support for 13 interface languages
- GPU acceleration optional for faster transcription
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| What makes it different | - No software installation required - fully browser-based platform works on any device
- AI-powered features including slide generation and auto-narration
- All-in-one platform combining slide creation, recording, live streaming and course publishing
- Instant video processing and publishing without rendering delays
- Free plan with no recording time limits or watermarks
| - Open source with Rust engine shared across browser, app and server
- No uploads: iPhone app transcribes on device, self-hosted keeps videos local
- Free with one-time Pro purchase, no subscription required
- Run on your own server with Docker, no dependency on external services
- Agent integration for video captioning from Claude and other AI tools
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 14 | 0 |
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| Referring domains (Majestic) | 19 | 0 |
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5 details filled in for both companies.
More alternatives to Slideator More alternatives to OpenCaptions