Engineering in Production
2026
Function Calling in Production: What Nobody Tells You
Building a multi-agent financial planning system on AWS Bedrock taught us that the model is rarely the hard part.
From the deadlock that burned our entire token budget, to hybrid deterministic architecture, confidence-gated execution,
human-in-governance, LLM-as-a-Judge security testing, and intelligent model routing — everything we learned the expensive way.
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