Pelican test, "Go all out": $6.17, 28 min, Opus 5.5 (High)

A custom Pi agent, utilizing Opus 5.5 on High thinking, completed the "Pelican test" in 27 minutes and 45 seconds. The total cost for this operation was $6.17, with the main agent costing $4.97 and a design-review agent costing $1.21. The process generated 122,689 output tokens, including 66,163 thinking tokens, from a total of approximately 6.0M tokens, with about 95% being cache reads. The final result was a single HTML file, 1,029 lines long, with zero dependencies.

This report uniquely details the token usage and cost breakdown for a specific agent configuration running the Pelican test, unlike other general performance metrics.