𝗪𝗵𝘆 𝗬𝗼𝘂𝗿 𝗔𝗴𝗲𝗻𝘁𝘀 𝗔𝗿𝗲 𝗕𝘂𝗿𝗻𝗶𝗻𝗴 𝗧𝗼𝗸𝗲𝗻𝘀
You deployed a coding agent. It pulls tickets and files PRs. It works well.
Then the bill arrives.
The agent spent more money than you planned. You do not know why. It hits the model 50 times per ticket. Some calls are slow retries. Some are redundant reads of the same context.
This is not a model issue. It is an infrastructure issue. Your team lacks visibility into spending. You have no way to stop a runaway agent before it burns your budget.
Agents are loops. They read a task, call a tool, read the output, and repeat. Each step costs tokens. If an agent re-reads a system prompt on every turn, the cost grows fast. A small bug leads to hundreds of extra reads.
You see the bill, not the calls. This is too late.
Successful teams build cost controls from day one. They use these methods:
- Set monthly budget ceilings.
- Log which agent and which task triggered every call.
- Answer why one task cost more than another.
To run agents in production, you need:
- Per-agent tracking: Know the cost per user and per task.
- Virtual keys: Isolate teams so one developer cannot burn the whole budget.
- Budget controls: Set hard limits. An agent should alert you or stop taking tasks when it hits a limit.
- Spend visibility: Use a dashboard to see trends and average cost per task.
- Detailed logs: See the distribution of call types.
If you miss these, you run blind.
LiteLLM uses a specific pattern to avoid this:
- Brain and sandbox split: The reasoning runs in one place and execution in another. This stops constant re-reads.
- Clear tool interfaces: Use structured definitions instead of long text.
- Gateway tracking: Every call routes through a gateway with an ID for the agent and team.
- Enforced budgets: The agent checks its remaining budget before starting a task.
If you build agents without these tools, you face a cost explosion. The agent works fine until it hits an edge case or a loop. By then, the money is gone.
Take these steps now:
- Audit your last API bill.
- Instrument every call with an agent ID and task ID.
- Set a budget ceiling today.
- Log tool calls to find failed retries.
- Review call patterns every week.
Build infrastructure that separates reliable agents from expensive mistakes.
Fonte: https://dev.to/paultwist/why-your-agents-are-silently-burning-tokens-and-how-to-stop-them-7g8
Comunidade de aprendizado opcional: https://t.me/GyaanSetuAi