Keep the parent unchanged
The extension rewrites child launch requests. It never switches the model used by the main Pi session.
pi-subagent-models
One global choice, or one session override, for every child launched through pi-subagents.
Choose the scope
Save one choice globally or override it for the active session branch.
Return to native behavior
Select Default to stop forcing a model and let Pi and pi-subagents resolve it normally.
Find models quickly
Both TUI selectors support fuzzy search and keep long model catalogs inside a ten-row window.
What it covers
Section titled “What it covers”The override applies to the subagent tool, slash-command launches, prompt-template delegation, and pi-subagents RPC spawn requests.