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{Do you know}Evaluate test sets with multiple graders in Copilot Studio

{Do you know}Evaluate test sets with multiple graders in Copilot Studio
Hello Everyone,





Today I am going to share my thoughts on the evaluation test sets with multiple graders in Copilot Studio.






Let's get started.



Yes – Copilot Studio now supports evaluating a single test set with multiple graders in one run. This is listed as a Public preview in the 2025 release wave 2 plan, with availability starting February 8, 2026.



What it does:
  • You can attach several graders to the same test set, such as general quality, text similarity, and exact match.
  • Each grader can have its own pass criteria.
  • When you run the evaluation, Copilot Studio applies all selected graders to every test case in that run.
  • Results show up as separate columns per grader, plus an evaluation summary with aggregated results.







Why this helps:

  • You can assess different aspects of agent quality in one execution instead of rerunning the same test set multiple times.
  • Microsoft's guidance also recommends combining multiple evaluation approaches rather than relying on a single grading method.

Related limits and setup:

  • Test sets can contain up to 100 test cases.
  • You can create test sets by generating them in Copilot Studio, importing a .csv or .txt file, writing cases manually, or using production data themes.

If you're trying to use it in the product:

  1. Go to your agent's Evaluation page.
  2. Create or open a test set.
  3. Add multiple graders for the test.
  4. Define pass thresholds for each grader.
  5. Run the evaluation and compare the grader-specific result columns and summary.

That's it for today.

I hope this helps.
Malla Reddy Gurram aka @UK365GUY

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