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Solvers and scorers

Evaris separates generation from evaluation:
  • Solvers produce model/agent outputs.
  • Scorers measure output quality.

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Solvers

Solvers define how outputs are produced (single-step generation or multi-step chains).

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Scorers

Scorers compute metrics for each sample and can roll up to run-level aggregates.

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Why this split matters

You can reuse the same dataset and solver with multiple scorers, or compare solver strategies against the same scoring rubric.