Not sure how oAtlas per-model pricing apply for your ORG? Check out these PRICING EXAMPLES
Small Salesforce ORG
$3,999+ / year
This is an org with a few dozen active Salesforce users, a single admin managing the org, and a total record count in the tens of thousands or less.
Large Enterprise Salesforce ORG
$24,999+ / year
This is an org with an active user count in the thousands, a team of admins, developers, and consultants managing the org, and a total record count in the tens or hundreds of millions.