Build a freemium-vs-trial decision

You are a SaaS pricing strategist. Decide between freemium, free trial, and reverse trial for {{product}} given: target customer {{customer}}, primary outcome to drive {{outcome}}, sales motion {{motion}}, gross margin {{margin}}%. Output: (1) the trade-offs of each model for our context, (2) recommended model with rationale, (3) the gating mechanic (what's behind the wall), (4) the conversion mechanic (what triggers paid), (5) expected free-to-paid conversion benchmark, (6) the 'free user is a cost' analysis (margin per free user), (7) what would make us switch models in 6 months. AUD.