You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
InsightsArea: what it touches
ImprovementsKind: in v2.1.323,
ImprovementsSection of the release
What
Subagents are helper copies of Claude that take on parts of a task. Claude Code's insights can show a tip when you use them heavily. That tip used to say "Give simple subagents a cheaper model". It now says "Check which models your subagents use". It adds that the share shown covers whole sessions, not only subagents. It still suggests setting a cheaper model in the agent or skill file.
Why
The advice is more careful now. The figure it is based on counts whole sessions, so the tip asks you to look first rather than assume subagents are the cost.
