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Experimentation
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10 slides
56:01
EN
AI Engineer
· Oct 26, 2026
Xander Song on Evaluating Agents with Harbor and Phoenix
Xander Song · Arize AI
Arize AI engineer Xander Song explains how Harbor runs realistic agent tasks in isolated sandboxes, and how his team uses Phoenix to compare prompt changes, inspect trajectories, and test a SQL tool.
Evals & observability
Agent engineering
Sandboxes & isolation
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