Claude Haiku 5.5 is a new AI model that is faster, cheaper, and more capable than its predecessor, Haiku 4.5. It is designed for high-volume, cost-sensitive tasks and is available at a lower price point, with an average cost reduction of 75%. The model has shown improvements in performance and safety, and is available on all platforms, including Amazon Web Services, Google Cloud, and Microsoft Azure. The launch of Haiku 5.5 also includes improvements to the value of other models, such as a price cut for Sonnet 5.5's cache reads.