Tag Archives: Haiku

On Wednesday, Anthropic released Claude Haiku 4.5, the newest version of its smallest model, billed as offering similar performance to Sonnet 4 “at one-third the cost and more than twice the speed,” per a company blog post. Anthropic cites a range of new benchmark results to back up those performance claims. In the company’s testing, Haiku scored 73% on SWE-Bench …

Claude Haiku 4.5, our latest small model, is available today to all users. What was recently at the frontier is now cheaper and faster. Five months ago, Claude Sonnet 4 was a state-of-the-art model. Today, Claude Haiku 4.5 gives you similar levels of coding performance but at one-third the cost and more than twice the speed. Claude Haiku 4.5 even …