Open any chat tool and paste: 'Classify each as easy/hard for AI: (1) fix grammar (2) interpret a union contract clause (3) brainstorm slogan. Then say which model tier you'd use if cost mattered.' You're done with 3 classifications plus a cost-aware note.
How-to · WFL · WFL.1
X-style: routing — hard tickets vs easy
Routing: classify hard vs easy work so simple tasks stay cheap and hard ones get humans/tools.
Worked example
The routing pattern is simple: classify the task first, then send it to the right process. Same logic as 'don't use your smartest model to fix a typo.'