Head-to-head comparison
Auto Subtitles by Eyevinn vs Slice Captions
Two of the captioning tools podcasters reach for. Here's how they differ on pricing, features, audience, and the trade-offs that actually matter day-to-day.
Open-source Whisper subtitle generator from a video tech firm
Best for: Broadcasters and developers wanting an auditable open-source Whisper pipeline
Pixel-perfect burned-in captions with libass-grade typography control.
Best for: Podcast video creators
At a glance
The honest trade-offs
Auto Subtitles by Eyevinn
Pros
- Maintained by a known video-tech firm
- Clean codebase for integration
- Permissive open-source license
Watch-outs
- Less feature-rich than Subsai
- CLI only, no GUI
- Smaller community for troubleshooting
Slice Captions
Pros
- Word-by-word styling with real typography control
- Flat $14.99/mo, no credit math
- Exports MP4 plus SRT, VTT, CSV, Markdown
Watch-outs
- Captioning only — not a full video editor
- Newer product, smaller community footprint
- Single tier limits enterprise customization
Which one should you pick?
Pick Auto Subtitles by Eyevinn if
You’re building around broadcasters and developers wanting an auditable open-source whisper pipeline. Auto Subtitles is a smaller open-source Whisper wrapper from Eyevinn, a Swedish video-tech firm. Less feature-rich than Subsai, but the code is cleaner and maintenance comes from a known vendor — useful for organisations that need an auditable dependency in a build pipeline.
Pick Slice Captions if
You’re building around podcast video creators. Slice Captions is built for podcasters who care about typography — libass-grade rendering, 27+ fonts, word-by-word styling, multi-speaker detection, and clean H.264 MP4 export alongside all the standard subtitle formats.
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Frequently asked
What does Auto Subtitles by Eyevinn do better than Slice Captions?
Auto Subtitles by Eyevinn's standout is "Maintained by a known video-tech firm". Slice Captions doesn't make that promise — it leans into "Word-by-word styling with real typography control" instead. If the first sentence describes your workflow, pick Auto Subtitles by Eyevinn; if the second does, pick Slice Captions.
What are the trade-offs?
Auto Subtitles by Eyevinn: less feature-rich than subsai. Slice Captions: captioning only — not a full video editor. Whether either matters depends entirely on what you actually need — neither is a deal-breaker by itself.
Do they support the same platforms?
Auto Subtitles by Eyevinn works on Windows where Slice Captions doesn't. Slice Captions works on Web where Auto Subtitles by Eyevinn doesn't. If you're on a specific OS or device, that may decide for you.
Can I use Auto Subtitles by Eyevinn and Slice Captions together?
Both are captioning tools so most teams pick one. Some workflows do combine them — for example, using Auto Subtitles by Eyevinn for one show or episode type and Slice Captions for another. Worth trying both free tiers before committing.