AWS GovCloud (US) now offers Claude Haiku 5.5, the fastest and most efficient model in the Claude 5.5 family, built for subagents and high-volume, cost-sensitive work. According to Anthropic, it costs around 75% less than Claude Haiku 4.5 for most tasks. Claude Haiku 5.5 is Anthropic’s most capable Haiku yet, a significant step up from Haiku 4.5 across coding, tool use, computer use, and agents.
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