What
Claude Code's cost tracker can now keep a running total of usage since the last finished turn and hand it over, then start counting again.
Why
This looks like groundwork for reporting usage turn by turn. Nothing new is shown yet.
Cost tracking can total usage between replies
Claude Code's cost tracker can now add up usage since the last finished turn
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.309,
Internal ChangesSection of the release