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Weights AI vs Bulin 47 AI

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

Weights AI compared with Bulin 47 AI
DetailWeights AI logo Weights AIBulin 47 AI logo Bulin 47 AI
What it doesFree AI song cover generator with 2,000+ community voices or your own AI freestyle video maker that turns your photo into a 15-second vertical video
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree: 25 credits when you sign up. Starter: $4.99/month for 700 credits (or $59.88/year). Pro: $9.99/month for 2,000 credits (or $119.88/year). Credit pack: 1,500 credits for $19.99 (one-time purchase, never expire). Single Video: $9.00 one-time for 1 video; Creator Pack: $19.90 one-time for 3 videos; Studio Pack: $29.90 one-time for 5 videos. No subscriptions or automatic renewal.
Key features
  • 2,000+ community voice models
  • Train your own voice model from 10+ minutes of singing
  • Supports MP3, WAV, M4A, AAC, FLAC and OGG files up to 50 MB
  • Record singing in the browser
  • Pitch matching to adjust key for different voice ranges
  • AI covers ready in about one minute
  • Download covers as MP3
  • Private voice models
  • Upload a single portrait photo to generate video
  • 15-second vertical MP4 output in 9:16 format
  • Original reference soundtrack automatically restored
  • No prompts, settings, or editing required
  • Automatic video allowance return on failed generation
  • Support for JPG, PNG, and WebP formats up to 10 MB
  • One-time purchase packages with no subscription
  • Download and share to TikTok, Reels, or Shorts
What makes it different
  • Successor to Weights.gg with same community RVC voices
  • Runs entirely in your browser, no installation needed
  • Free credits to start without payment
  • AI separates vocal from music for natural remixing
  • Built-in freestyle motion and scene reference requires only a photo, no video upload needed
  • One-time purchase model with no subscription or automatic renewal
  • Failed generations automatically return video allowance without requiring a separate refund request
  • Secure payment checkout with no need to repeatedly purchase on delayed notifications
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)Not checked yet no change since last check2 +2 (up) since last check
Trust Flow (Majestic)33
Citation Flow (Majestic)2116
Referring domains (Majestic)83

5 details filled in for both companies.

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