Why Your Agents Are Silently Burning Tokens (And How to Stop Them)
Dev.to / 6/18/2026
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Key Points
- Coding agents can generate unexpectedly high API costs because they operate in multi-step loops that may call the LLM dozens of times per ticket.
- The article argues the main cause of “token burning” is not the model quality but a lack of infrastructure controls such as cost visibility, cost attribution, and safeguards.
- Common hidden cost drivers include redundant context re-reads, slow retries, and the agent reloading system prompts or tool descriptions on every invocation.
- Teams without logging and budget circuit breakers often discover the problem only after the bill arrives, when detailed root-cause analysis is difficult.
- Teams that succeed with agents tend to implement from day one budget ceilings, per-agent/per-user/per-task cost logging, and the ability to answer what caused a specific task’s spend.
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