Something definitely changed, or it’s somehow reading all that data over and over again
Your sessions were probably getting auto-compacted much earlier before the context window got larger.
Still I'm a bit surprised you burn through tokens that quickly. I rarely ever reach my limit.
Last 2 weeks I was using it more or less all day on Opus running skills to write PRDs and then code and tests to solve the PRDs, never hit the session limit.
Last 2 days I hit the cap in about an hour of kicking off my skills workflow.
On the paid enterprise team plan this is really bad.