Anthropic on Wednesday announced Claude Haiku 4.5, a small artificial intelligence model that's available as a lower-cost offering for all of the company's users.

The model is fast and can outperform other larger models that were considered cutting edge just months ago, Anthropic said.

Claude Haiku 4.5 is better at using computers than Claude Sonnet 4 , for instance, which is a midsized model the company launched in May. It performs similarly to Claude Sonnet 4 and OpenAI's most recent model, GPT-5 , at coding, according to SWE-bench Verified, a test set that measures an AI system's software coding abilities.

"It punches way above its weight," Mike Krieger, Anthropic's chief product officer, told CNBC in an interview.

Claude Haiku 4.5 is available to Anthropic's free users, and

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