Claude Code

Let Opus Advise While Sonnet Does the Routine Work

How to put a cheaper main model in the driver's seat and call Opus only at the hard moments: the one command, which pairings work, what it costs, and where it does not run

2min read
1prompts to copy
6numbered steps
4sections

Most turns in a Claude Code session are routine: reading files, running tests. The advisor lets a cheaper main model do those and ask a stronger model for advice at the moments that decide the outcome.

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Unlocks: Step 1: pick a main model and an advisor · Step 2: let Claude call it · The catch · Sources

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