CodePanel's benchmark has not run Claude Haiku 4.5 as a pull-request reviewer yet, so this page has no recall, false-alarm or measured-cost figures for it. The methodology explains how ranked models are scored.
The newest ranked model in the Claude Haiku line is Claude Haiku 5.5. It caught 64% [50%–78%] of the known bugs at rank 1 of 17, with a measured review cost of $0.0038. At list price, a typical review call (26.2K tokens in and 2.4K out) costs $0.0383 on Claude Haiku 4.5 and $0.0038 on Claude Haiku 5.5, so this model's call is 10.0× the cost of that one's.