AI video generator using MiniMax H3 Max for text-to-video and image-to-video creation
AI-powered alternative text generation for images that meets WCAG and SEO requirements
Stage
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Founded
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Based in
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PL
Pricing model
Freemium
Freemium
Pricing
Free account with initial credits; annual plans from $149/year (Basic: 14,400 credits) to $999/year (Max: 180,000 credits). Generation billed per second: H3 Max at 480P from 10 credits/second, 768P from 16 credits/second, 1080P from 32 credits/second; standard H3 at 480P 10, 768P 12, 2K 26, 4K 32 cr
Free plan: up to 10 images per day on one site. Premium plans available for unlimited automation and API access.
Key features
Text-to-video and image-to-video generation
5-15 second video output duration
Multiple resolution options up to 4K
Optional beginning and ending frames for composition control
Synchronized audio generation with video
Prompt expansion controls for detail levels
Character consistency across multiple shots
Multiple aspect ratios including 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
Directed camera movement following descriptions
Per-second credit billing with upfront cost display
Upload and process images in browser (up to 5 files, 10MB each)
Add optional context for AI to tailor descriptions
API for custom integration
Automatic context-aware generation using page content and headings
Handles existing images and automatically finds those without descriptions
Edit and manage generated descriptions from account
Scales for large websites with hundreds or thousands of images
No impact on website performance or page load speed
Improves search engine indexing of images
What makes it different
Independent operation with transparent credit-based billing and account-owned storage
Synchronized native audio generation in the same pass as video
Strong prompt adherence and fast iteration with H3 Max model
Failed renders automatically refunded in full credits
Supports both English and Chinese prompts
No CMS changes required - works with automatic script installation
Context-aware AI generation that considers surrounding content for accuracy
Free version with no time limit, only usage caps
Meets both WCAG accessibility and SEO requirements simultaneously
Multiple deployment options: browser tool, plugins, API or automatic script
H3 Max
Alt Text Generator