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Hermes model selector: dropdown with effort controls for cost optimization

By Greg Isenberg

Hermes exposes a dropdown model selector that lists Anthropic models — Opus 4.8, Opus 4.7, Sonnet 4.6, Haiku 4.5 — alongside thinking configuration toggles with effort levels: Minimal, Low, Medium, High, and Max. This lets you dial in both the model and the reasoning depth per task. Choosing a lighter model at minimal effort for simple tasks is a straightforward way to reduce token costs without changing anything else about how your agent works.

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