"Anthropic is launching Claude Haiku 4.5, the newest version of the generative AI (genAI) company's smallest language model. The company says it offers the same performance as Sonnet 4, but at a third of the cost and more than twice the speed. Haiku 4.5 reportedly performs on par with Sonnet 4, OpenAI's GPT-5, and Gemini 2.5 in several benchmark tests, including SWE-Bench, Terminal-Bench, and tasks related to tool, computing, and visual reasoning skills."
"Haiku 4.5 reportedly performs on par with Sonnet 4, OpenAI's GPT-5, and Gemini 2.5 in several benchmark tests, including SWE-Bench, Terminal-Bench, and tasks related to tool, computing, and visual reasoning skills. The model is available in all of Anthropic's free plans. Due to its low resource consumption, multiple Haiku agents can be run in parallel or in combination with more advanced models."
Anthropic launched Haiku 4.5, the company's smallest language model, positioned for high efficiency. Haiku 4.5 reportedly delivers comparable performance to Sonnet 4 while reducing cost to one-third and increasing speed by more than twofold. Benchmark results show parity with Sonnet 4, OpenAI's GPT-5, and Gemini 2.5 across SWE-Bench, Terminal-Bench, and tasks involving tool use, computing, and visual reasoning. Haiku 4.5 is included in all free plans. Low resource consumption allows running multiple Haiku agents in parallel or combining them with larger, more advanced models for mixed-agent workflows.
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