Engineer warns: cap token usage and never enable auto-refill on user-facing AI apps

burkov · x · 2026-10-08

Engineer Andriy Burkov warns developers building user-facing AI apps: always define caps on token usage and never toggle "Auto-refill" on, or you may wake up to a bill you wish was just a bad dream. Uncontrolled end-user traffic plus auto-recharging is a classic LLM API billing trap.

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