OpenDub vs Sumi

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenDub compared with Sumi
Detail	OpenDub	Sumi
What it does	Free AI dubbing in your browser with no app, no upload and no account	AI manga translator that re-letters your language into the art
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: browser-based dubbing with stock voice (up to 5 minutes), OmniVoice local voice cloning (non-commercial). Paid: Higgs Audio and ElevenLabs use your own API key with direct payment to providers; OpenDub credits coming soon.	Free tier: 1 page without account, 5 pages on signup, 5 claimable daily. Pro: $6.99/month (1,500 pages/month). Pro+: $14.99/month (4,000 pages/month). Studio: $39.99/month (12,000 pages/month). Yearly billing available: Pro $69.99/year, Pro+ $149.99/year, Studio $399.99/year.
Key features	Support for 17 languages including English, Chinese (Simplified and Traditional), Japanese, Korean, Spanish, French, German, Portuguese, Italian, Russian, Hindi, Indonesian, Malay, Vietnamese, Thai, a Voice tone matching per line including surprise, enthusiasm, and calm Automatic language detection for the original video Preserves background music and effects while replacing speech Local video processing with no upload required Support for MP4, MOV, and WebM video formats Burned-in subtitles in both original and target languages Line-by-line editing of translations, tone, and timing Outputs dubbed MP4, WAV audio, SRT subtitles, and voice sample clip	Instant page-by-page translation without uploading Works on pages requiring login Text erasing and re-lettering in artwork Native vertical CJK typesetting Offline translation on iPhone and iPad Batch translation up to 20 pages Works on 30 official publisher platforms Chrome, Firefox, Edge and Safari extensions Editable translations in reader
What makes it different	Open source code that can be read, run, and modified by users Can run locally on Mac and Windows with no length limit Uses advanced AI models to translate sentences timed to original speech duration	Erases original text and re-letters into artwork instead of pasting white boxes Translates in-place on pages you're already reading without uploading chapters Fully offline translation on iPhone and iPad with no data leaving device One subscription across web, extensions, and all native apps
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	18 +1 (up) since last check
Trust Flow (Majestic)	0	7
Citation Flow (Majestic)	19	24
Referring domains (Majestic)	5	70

5 details filled in for both companies.

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