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IndexTTS2 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.

IndexTTS2 compared with Bulin 47 AI
DetailIndexTTS2 logo IndexTTS2Bulin 47 AI logo Bulin 47 AI
What it doesProduction-ready text-to-speech with precise duration control and emotional expression 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: $0/month with 20,000 characters per month and 3 custom voices. Pro: $14.99/month with 1,000,000 characters per month and 20 custom voices. 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
  • Precise timing control with exact token specifications
  • Rich emotional range including joy, tranquility, anger, and anxiety
  • Voice-emotion separation for independent control
  • Natural language emotion shaping powered by Qwen3
  • Eight-dimensional emotion vectors (happy, angry, sad, afraid, disgusted, melancholic, surprised, calm)
  • Custom voice uploads and recordings (up to 20 on Pro plan)
  • Commercial use rights on Pro plan
  • Support for English and Chinese languages
  • MP3 and WAV audio format output
  • Priority processing for Pro users
  • 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 differentNot given
  • 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)14 no change since last check2 +2 (up) since last check
Trust Flow (Majestic)83
Citation Flow (Majestic)1816
Referring domains (Majestic)123

4 details filled in for both companies.

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