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Opus 5 Effort Router: Auto-Pick Cost vs Capability — ContentBuffer guide

Opus 5 Effort Router: Auto-Pick Cost vs Capability

K
Kodetra Technologies··7 min read Intermediate

Summary

Route each task to the right Claude Opus 5 effort level and cut your token bill.

Opus 5's real superpower is a cost dial

Anthropic shipped Claude Opus 5 on July 24, 2026, and the headline that spread fastest wasn't a benchmark. It was a single knob: you can now tell the model how hard to think on a per-request basis, trading capability for cost without switching models. Fortune framed it as a toggle between cost and capability, and by the next morning it was on the front page of Hacker News.

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