Another key distinction of Bitbucket is that you pay per private collaborator, rather than per private repo. You could have a 5 person team but 100 private rep

Another key distinction of Bitbucket is that you pay per private collaborator, rather than per private repo. You could have a 5 person team but 100 private repos, and it would still be free. After that its $1 per user per month. With Github, the 50-125 private repo tier costs $100 per month for an organization.