Percentiles are read from the histograms kept with the usage sums and shown per group on the usage tab and in the people page's panels. Requests refused by a limit are recorded as 429s against their owner, free of charge, so a team hitting its limits shows as such. Usage can be grouped by model. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>