When an AI Agent Should Keep Using the Expensive Model
The most trustworthy agent runtime is not the one that avoids the expensive model most often. It is the one that knows when the work still deserves it.
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Articles about fallback and its practical role in production agent work.
Why Every AI Agent Shortcut Needs an Explanation
If a runtime cannot tell you why it took the cheaper path, the savings number is not a reason to trust it.
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