It really depends.

For high-level strategic conversations, I use Fable.

For planning, I use Opus or Sol. Sol is generally preferred; it’s faster, cheaper, and less verbose. But I still find Opus more capable on the most nuanced or complex tasks.

For planned implementation, I use Sonnet.

For one-shot unplanned implementation, I’ll use whatever model seems best for the task. FWIW, I’m increasingly turning to Grok here.

I use Luna all over my workflow for reporting.