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Sandcastles vs MiniMax H3

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

Sandcastles compared with MiniMax H3
DetailSandcastles logo SandcastlesMiniMax H3 logo MiniMax H3
What it doesCreate viral short-form videos in seconds AI video generator for text, images, and 2K video creation
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelPaid Not given
PricingPro: $49/month (billed monthly) or $39/month (billed yearly). Visionary: $99/month (billed monthly) or $79/month (billed yearly). Titan: $499/month (billed monthly) or $399/month (billed yearly). Free: 120 credits (one 4-second 768P test). Creator: $19/month for 2,000 credits. Pro: $49/month for 5,000 credits. Studio: $129/month for 14,000 credits. Generation costs 22.5 credits per second at 768P and 36.5 credits per second at 2K; a five-second render costs 113 credits at 768P or 183 credits
Key features
  • Customizable feed of successful channels from Instagram, TikTok, and YouTube
  • Find top-performing viral outlier videos in any niche
  • In-depth analysis of why videos went viral with hooks and storytelling frameworks
  • Instant transcript downloads from any video
  • AI-powered script writing using proven storytelling frameworks
  • Hook template generation with millions of validated views
  • Project organization to collect and manage winning video ideas
  • Monthly credits system for analyzing videos, writing scripts, and generating reports
  • Multiple workspace creation to organize content by niche
  • Personal analytics tracking and competitor monitoring
  • Text-to-video generation with 6 aspect ratios
  • Image-to-video with first and optional last frame
  • Duration control from 4–15 seconds
  • 768P and 2K resolution output
  • Native stereo audio directed with timeline
  • Cost visibility before generation
  • Task history and deliberate retry workflow
  • Credit refunds for terminal failures
  • Browser-based generation with no local setup
  • Production-focused control for product, UI, and commercial content
What makes it different
  • Analyzes millions of videos daily to find top 1% outliers in every niche
  • Data-backed storytelling frameworks based on billions of views
  • All-in-one platform combining research, analysis, and script generation
  • No social media account connection required to get value
  • Transparent credit-based pricing with exact cost calculated before submission
  • Production-intent workflow combining text, frames, and detailed direction constraints
  • Native stereo audio synchronised with visual timeline
  • Directed 4–15 second commercial and interface animation capability
  • Text handling within motion sequences and interface states
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)48 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)82
Citation Flow (Majestic)3221
Referring domains (Majestic)15123

4 details filled in for both companies.

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