How to Build a Test Set for Your AI Agent
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The single most valuable thing you'll build isn't the agent — it's the test set you evaluate it against. It's the ground truth every version is measured on, and it survives model swaps, framework changes, and rewrites. Start with ten real cases, each paired with a verdict for what good looks like, and grow the set with every failure you find. Why the test set is the asset An evaluation is only as good as the cases it runs. A test set is a collection of scenarios — inputs paired with some notion…
1Key Takeaways
- The single most valuable thing you'll build isn't the agent — it's the test set you evaluate it against.
- It's the ground truth every version is measured on, and it survives model swaps, framework changes, and rewrites.
- Start with ten real cases, each paired with a verdict for what good looks like, and grow the set with every failure you find.
- Why the test set is the asset An evaluation is only as good as the cases it runs.
2AIWedia Score
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that the single most valuable thing you'll build isn't the agent — it's the test set you evaluate it against.
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