Anthropic’s Claude Haiku 4.5 matches May’s frontier model at fraction of cost
On Wednesday, Anthropic released Claude Haiku 4.5, a small AI language model that reportedly delivers performance similar to what its frontier model Claude Sonnet 4 achieved five months ago but at one-third the cost and more than twice the speed. The new model is available now to all Claude app, web, and API users. If the benchmarks for Haiku 4.5 reported by Anthropic hold up to independent testing, the fact that…