Envato Elements is a stock library. Mockingbird is a generation studio. The difference is the distance between 'close enough' and 'made for this.'
Feature
Mockingbird
Envato
On-demand generation
Brand-locked output
Unlimited downloads
Pro+
AI mockup studio
AI video studio
Stock video
Stock asset library
Commercial license
Included
Included
Free tier
30 credits/mo
If you want curated stock, stay with Envato. If you want output tuned to your brief, every time, Mockingbird wins.