AWS puts Anthropic's Claude Opus 5.5 and Sonnet 5.5 on Kiro in GovCloud
Why it matters
Opus 5.5 on cuts the from 2.2x to 2.0x and uses about half the of Opus 5.
Ask your team
Are we still running agentic coding on Opus 5 in GovCloud when Opus 5.5 costs less per credit?
What happened
Anthropic's Claude Opus 5.5 and Sonnet 5.5 are now available in the Kiro coding tool for AWS GovCloud (US) Regions. In Kiro's own benchmarking, Opus 5.5 finishes tasks with about 40% fewer tool calls and roughly half the tokens of Opus 5, at a 2.0x credit multiplier versus 2.2x.
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Impact on Government & public sector · AI & developer tools
The context Follows AWS makes Anthropic's Claude 5.5 models available in GovCloud for regulated workloads (6 Oct) and AWS adds Claude Haiku 5.5, about 75% cheaper than Haiku 4.5 (8 Oct)
Read the original at AWS What's New (AI)
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