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Lip Sync AI vs Sumi

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

Lip Sync AI compared with Sumi
DetailLip Sync AI logo Lip Sync AISumi logo Sumi
What it doesAI-powered video dubbing and talking avatar creation with frame-accurate lip synchronization AI manga translator that re-letters your language into the art
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingFree plan with 10 one-time credits. Basic: $8.3/month (billed as $100/year) includes 2,400 annual credits. Pro: $30/month billed yearly (normally $49.9/month, 40% off) includes 21,600 annual credits. Business: $49.9/month billed yearly (normally $99.9/month, 50% off) includes 48,000 annual credits. 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
  • Phoneme-level precision lip synchronization across 40+ languages
  • Multi-speaker detection and independent processing per character
  • Expression preservation maintaining natural eye movements and facial dynamics
  • Portrait animation into talking avatars with head motion and micro-expressions
  • 5 sync modes including Direct, Cut Off, Bounce, Smooth, Loop, and Remap
  • Real-time preview with timeline scrubbing before export
  • Video processing up to 10 minutes length in under 8-10 minutes
  • Output resolutions up to 4K
  • Automatic uploaded file deletion after generation
  • Video download capability on paid plans
  • 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
  • 98%+ phoneme alignment accuracy with sub-frame timing precision for broadcast-quality results
  • 94% of viewers cannot distinguish AI-synced from manually dubbed results in blind tests
  • Preserves 97% of original performance while adapting mouth movements to new dialogue
  • Processes videos in under 60 seconds for most content
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)30 +1 (up) since last check18 +1 (up) since last check
Trust Flow (Majestic)87
Citation Flow (Majestic)2924
Referring domains (Majestic)14170

4 details filled in for both companies.

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