Open-source video generation models and world simulators
Free AI face age test that explains which facial features make you look older or younger
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
GB
Pricing model
Freemium
Free
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.
Not given
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
Uploads a photo directly from browser or from device storage
Identifies 3 to 5 facial cues that shaped the estimate
Analyzes skin texture, lines, eye area, hair, face shape and skin tone
Provides downloadable share card of results
No account or sign-up required
Processes photo locally on device before uploading
10 free estimates per day per visitor
Works on any modern browser on iPhone, Android and desktop
Provides practical tips to look younger in photos
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
Explains which facial details changed the age estimate instead of just showing a number
No account, subscription or watermark required
Works consistently across all skin tones and genders without guessing ethnicity
How Old Do I Look AI