Kling 4 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.

Kling 4 compared with Bulin 47 AI
Detail	Kling 4	Bulin 47 AI
What it does	AI video generator for text-to-video and image-to-video with native audio	AI freestyle video maker that turns your photo into a 15-second vertical video
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free credits to start; Basic $15.00/mo (400 credits/month); Pro $39.00/mo (1200 credits/month); Max $160.00/mo (5500 credits/month); one-time credit packs available	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	Text-to-video generation from prompts up to 8,000 tokens Image-to-video animation keeping composition locked Multi-keyframe storyboards with up to 10 keyframes Omni reference supporting up to 15 items including images, videos and voice Native stereo audio with lip sync in nine languages Video generation up to 30 seconds at 4K with 10-bit HDR On-screen text and emoji rendering Multiple aspect ratios from 21:9 to 9:16 Automatic refunds for failed renders	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	Independent platform tracking official Kling 4.0 news while providing access through third-party video engines Free credits to start with no waitlist required Works in any browser with no app installation needed Commercial rights included for generated videos	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 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)	28 +1 (up) since last check	2 +2 (up) since last check
Trust Flow (Majestic)	5	3
Citation Flow (Majestic)	18	16
Referring domains (Majestic)	51	3

5 details filled in for both companies.

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