Models & Stacks
The Advisor Tool
Run a cheap executor model that calls Opus server-side only on the hard decisions, for Opus-quality output at a fraction of the cost.
Published April 2026
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The Advisor Tool runs two Claude models on one task. A cheaper executor like Haiku or Sonnet runs the full agentic loop, and when it hits a complex decision it calls the Opus advisor server-side for a short plan, then continues with that guidance. It all happens inside a single call, for Opus-quality decisions at a fraction of the cost.
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