Amazon accidentally spent $1.8 million using Claude for menial coding task, went 860% over budget —'catastrophically expensive' coding blunders discovered in internal Amazon AI usage metrics
TL;DR
An internal presentation revealed that a failed AI deployment cost Amazon $1.8 million on a menial coding task, running 860% over budget. A couple of other projects resulted in hundreds of thousands of dollars in extra AI expense, and the issue went undetected for several months.
Nauti's Take
The upside of Amazon documenting this failure is that everyone else gets to learn where AI costs actually explode. The real problem is not the model but the missing cost control, because 860% over budget and undetected for months means there was no monitoring at all.
Teams running agents in production need hard token limits and daily spend alerts before the invoice arrives.
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