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
Detail	MiniMax H3	Sandcastles
What it does	Create 4–15 second videos from text, frames, and multimodal references with output up to 2K	Create viral short-form videos in seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Paid	Paid
Pricing	Starter: $9.90 one-time for 370 credits (up to 5 five-second 2K videos). Creator: $29.90 one-time for 1,300 credits (up to 18 five-second 2K videos). Studio: $49.90 one-time for 2,500 credits (up to 35 five-second 2K videos). Business: $99.90 one-time for 5,550 credits (up to 79 five-second 2K video	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	Text-to-video generation from written prompts First and last frame control for guided video creation Multimodal reference support with images, videos, and audio Camera and motion control in prompts 4–15 second video duration options Up to 2K resolution output Support for JPG, PNG, WEBP, HEIC, and HEIF image formats Support for MP4 and MOV video formats Support for WAV and MP3 audio formats Watermark-free downloads	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	Multimodal workflows combining text, images, videos, and audio for precise creative direction One-time credit purchases with no recurring subscription fees Purchased credits that never expire Independent platform offering flexible credit-based pricing	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 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)	39 −1 (down) since last check	48 +1 (up) since last check
Trust Flow (Majestic)	24	8
Citation Flow (Majestic)	27	32
Referring domains (Majestic)	142	151

5 details filled in for both companies.

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