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MiniMax H3 vs Sandcastles

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

MiniMax H3 compared with Sandcastles
DetailMiniMax H3 logo MiniMax H3Sandcastles logo Sandcastles
What it does2K video with native stereo audio in one pass Create viral short-form videos in seconds
StageStartup Not given
Founded2026 Not given
Based inNot given US
Pricing modelFreemium Paid
PricingOn the Hailuo AI App: free tier and paid monthly plans (rates listed in app). On MiniMax Open Platform: billed per output second, with 2K tier priced above 768p tier. On this site: 18 credits per second at 768p and 29 credits per second at 2K, with annual plans showing 50% discount and various month Pro: $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).
Key features
  • Multimodal reference input: images, video, and audio
  • Context-IR token-based pricing variant
  • Downloadable weights for local deployment
  • H3-Contextual Omni Representation for modality bridging
  • Up to 12 reference files with caption compression
  • 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
What makes it different
  • Only model generating video and audio together natively
  • 2K output at lower per-second rate than competitors
  • Downloadable open weights available
  • Accepts richer multimodal reference input than competitors
  • 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
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)15 −1 (down) since last check48 +1 (up) since last check
Trust Flow (Majestic)128
Citation Flow (Majestic)2132
Referring domains (Majestic)43151

5 details filled in for both companies.

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