Anthropic released Claude Haiku 5.5 on October 7, 2026, the newest model in its small-model class, available immediately on the Claude Platform, Amazon Web Services, Google Cloud, and Microsoft Azure at lower prices than Haiku 4.5. Anthropic said the model costs around 75% less to run on average than its predecessor. Anthropic describes Haiku 5.5 as the cheapest, fastest, and most capable small model it has released, designed for high-volume, cost-sensitive tasks such as summaries, compactions…
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