Last Tuesday my agent took 14 minutes to do something it used to do in 3. The transcript was a wall of repeated context. It was re-reading the same 40,000 tokens on every turn because I'd been piling tasks into one session for months.
Source: [Dev.to](https://dev.to/mrclaw207/my-openclaw-agent-got-slow-and-expensive-i-split-it-into-three-sub-agents-heres-what-happened-51l1)