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Can't change model of a session without creating new one. #311
Description
On py module. There doesn't seem to be a way to change model of an existing session without creating a new one using CopilotClient.new_session, and if I do that I lose all context and .copilot/session_state disk files of the old session.
Activity
github-actions commentedon Feb 1, 2026
Thanks for opening this issue, @bigguy345!
I've labeled this as an enhancement for the Python SDK. You're correct—currently, there's no way to change the model of an existing session. The
modelparameter is only available when creating a session viacreate_session(), andresume_session()doesn't support updating it.This is a valid feature request. The workaround for now is to create a new session with the desired model, though as you noted, this means losing the existing session state and
.copilot/session_statefiles.bigguy345 commentedon Feb 7, 2026
Resolved