Open-source video generation models and world simulators
Expand photos without cropping or stretching
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
Not given
Pricing model
Freemium
Freemium
Pricing
Free plan: $0/month with 250 lifetime credits. Lite plan: 1,200 credits per month. Standard plan: 5,000 credits per month. Mochi video generation costs 100 credits; replay video costs 50 credits.
Free: 10 credits (2 generations). Pro: $9.99/month ($119.88 yearly, 2,400 credits/year). Max: $29.99/month ($359.88 yearly, 9,600 credits/year). Each generation costs 5 credits. Free and Pro results are watermark-free for Pro and Max subscribers; free tier results are watermarked.
Key features
Text-to-video generation from written descriptions
Local execution and customization via open-source repository
ComfyUI integration for tailored experience
Interactive playground for testing capabilities
Commercial usage rights on paid plans
MP4 video format with H.264 encoding
Videos up to 5.4 seconds at 30fps
Video download for 30 days after generation
Watermark removal on paid plans
High queue priority for paid users
Generate new canvas space around images in square, portrait, or landscape ratios
Position subject within destination frame before generation
Review generated space on comparison canvas before download
No prompts required
Browser-based editor with no software installation
Private uploads and results by default
Watermark-free results on Pro and Max plans
Commercial use rights on paid subscriptions
Support for JPG, PNG, and WebP formats up to 10 MB
Same professional image-extension model across all plans
What makes it different
Apache 2.0 licensed open-source model for individual and commercial use
World simulator technology for embodied AI breakthroughs
Team with 55,000+ citations across foundational AI research
Run locally without vendor lock-in
State-of-the-art open text-to-video model
No complex prompts or AI settings required—just set the frame and position the subject
Designed specifically for image extension without upscaling or cropping
Full control over composition and subject placement before generation
One image adapted for multiple layouts and formats simultaneously
Private by default with automatic deletion after 7 days
ImgExtender