The thing people pay AI companies for is usage, and usage is measured by a meter. This week, across the coding-agent subscriptions in particular, the meter moved — and it kept moving. OpenAI brought back a five-hour usage cap for its Plus subscribers on the Work and Codex surfaces, having taken such a cap away earlier in the summer. Anthropic’s weekly quotas carried on resetting to their own rhythm. And a lot of people who had quietly built their working day around a number discovered, again, th...