Claude Code subagents silently switch to paid usage, burning $100 in credits

nptacek · x · 2026-11-02

The author complains about a sneaky billing issue in Claude Code: the main session runs fine on subscription usage, but as soon as it orchestrates subagents, those subagents immediately switch to paid API usage — wiping out $100 in credits in one go. A practical warning for heavy users: watch which billing channel subagents use, or you may rack up unexpected costs when running agent orchestration on a subscription plan.

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