Why agent loops burn tokens, and how to keep coding agents and multi-agent systems affordable.
Every subagent call is a full LLM invocation with its own context. Whether that saves money or triples it comes down to one question: how much context do your subagents share?
Claude Code, Cursor, Copilot and Replit all meter the same thing — the size of the context you carry. Here are the habits that shrink it, and what each one costs you.
Most builders learn this from an invoice. An agent re-sends its entire conversation on every single turn, so cost grows with the square of the turn count, not in a straight line.
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