Stop giving your agent tools—Arize's code mode cuts tokens 43% and cost 31%
AI Engineer · youtube · 2026-10-28
Mikyo King (Arize AI) argues for code mode over classic tool-calling: give the agent a sandbox to search and compose tools in code. In Phoenix it ships as Bash, Python sandbox, SQL, and UI control. Hidden costs include secrets, permissions, durability, and double sandboxing. Harbor evals showed 43% fewer tokens and 31% lower cost.
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