SMRTR ProgrammingJun 16, 2026Dev.to

The $0 Bug That Cost Us $1,800 in API Calls

SMRTR summary

A silent bug in an autosave hook was calling GPT-4o every 30 seconds per user, quadrupling costs in 23 days. Feature-level cost tracking identified it in 48 hours; a one-line fix cut the bill by 61%.

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