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MiniMax H3 vs GridBulk

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 GridBulk
DetailMiniMax H3 logo MiniMax H3GridBulk logo GridBulk
What it doesAI video generator for creating short videos from text prompts or images AI batch image generation with grid splitting: one prompt, up to 16 images, one credit
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree trial Freemium
PricingNot given Free plan includes 20 credits on signup with the first generation free. Basic: $19/month for 2,000 credits/month (≈32,000 images with 4×4 grid). Pro: $49/month for 5,000 credits/month (≈80,000 images with 4×4 grid). Max: $99/month for 10,000 credits/month (≈160,000 images with 4×4 grid).
Key features
  • Text-to-video generation from prompts up to 7,000 characters
  • Image-to-video with first and/or last frame control
  • 4–15 second video duration
  • 768P and 2K resolution options
  • Six aspect ratios including 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
  • Automatic credit refund on failed generation
  • JPEG, PNG, WebP image upload up to 5 MB
  • Real-time task status tracking
  • Enterprise credit management for team accounts
  • Generate up to 16 images in a single 4×4 grid
  • Grid splitting into individual pixel-perfect assets
  • REST API with sync and async endpoints
  • MCP server for AI agent integration
  • Reference image support for style guidance
  • Runs on Google Gemini and OpenAI GPT Image models
  • Dashboard history with searchable generations
What makes it different
  • Documented limits and transparent settings mapping directly to MiniMax H3 model parameters
  • No charges for failed video generation with automatic credit release
  • Content screening to prevent sexual content, minors, unauthorized likenesses, and copyright infringement
  • Free trial credits available with Google sign-up, no card required
  • In-browser generation with automatic status updates and full video history
  • One credit per grid instead of per image, reducing cost per image to 1/16 for 4×4 grids
  • Contact-sheet view for side-by-side comparison of all results
  • API and MCP server built for AI agents as first-class users
  • Independent and self-funded operation
  • First generation completely free with 20 signup credits
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)5 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)190
Referring domains (Majestic)150

4 details filled in for both companies.

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