"By one VILA Lab analysis of Claude Code v2.1.88, approximately 1.6% of the codebase is classified as AI decision logic, while the remaining 98.4% is supporting infrastructure."
VILA Lab's source-level architectural study separates the model-facing decision logic from the extensive software systems surrounding it. The estimate illustrates how much engineering an agentic coding system can require for permissions, context management, tool routing and execution reliability.
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