Here’s the details:
What’s the difference between a Free, Ad Free, and Doublr account?
There are three kinds of accounts to choose from at Flickr, and all of them are awesome in their own way.
Free:
1 Terabyte of photo and video storage
Upload photos of up to 200MB per photo
Upload 1080p HD videos of up to 1GB each
Video playback of up to 3 minutes each
Upload and download in full original quality
Ad Free:
$49.99 per year
All the benefits of a free account
No ads in your browsing experience
Doublr:
$499.99 per year
2 Terabytes of photo and video space
All the benefits of a free account
What used to be offered with a Pro account?
Flickr Pro is no longer available for purchase, but many of the Pro-only features are now part of free Flickr accounts.
Here is what you used to get with Pro:
Unlimited photo uploads (50MB per photo)
Unlimited video uploads (90 seconds max, 500MB per video)
The ability to show HD Video
Unlimited storage
Unlimited bandwidth
Archiving of high-resolution original images
The ability to replace a photo
Post any of your photos or videos in up to 60 group pools
View count and referrer statistics
Limitation of maximum image size available to others
Ad-free browsing and sharing
Thats me Grandfathered in to my Pro account then! …until they change their minds.