Claude Haiku 4.5: Faster, 1/3 Cost of Sonnet 4
Claude Haiku 4.5: Faster, 1/3 the cost of Sonnet 4. New lightweight AI model delivers high performance for coding & real-time tasks.
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Just two weeks after their last product launch, Anthropic has made another move.
Latest news: Anthropic has released the lightweight model Claude Haiku 4.5, focusing on “cheaper and faster” performance.
According to Anthropic, Claude Haiku 4.5’s coding performance is comparable to the mid-to-high-end model Claude Sonnet 4 (which Anthropic released 5 months ago), but at a lower cost—$1 per million input tokens and $5 per million output tokens, only one-third the cost of Claude Sonnet 4. Meanwhile, its inference speed has more than doubled.
In the words of an Anthropic spokesperson: “Haiku 4.5 represents a significant leap in performance, now essentially as intelligent as Sonnet 4, but much faster and at only one-third the cost of Sonnet 4.”