If you're a startup (<50 total employees), use AI SaaS. You have no reliance on systems of record, no entrenched processes. These tools will get you up and running until you have a few hundred. If you're a large company (thousands of employees, complex manual processes, or legacy systems of record), stay far away. You can't rip out your NetSuite or Salesforce overnight and migrate to an "AI-native system." Your employees have a way of doing things. They will not adopt a brand new tool you…