ToolsThe story, in brief
Introducing Claude Haiku 5.5 on AWS
Claude Haiku 5.5 cuts costs 75% — Anthropic's fastest model is now live on Bedrock for high-volume agent workloads.
The KeyNews take
Why it matters
Haiku 5.5 targets cost-sensitive, high-volume deployments and subagent work on AWS Bedrock. The 75% cost reduction vs. Haiku 4.5 is material for enterprises running multi-agent systems at scale; practitioners should re-evaluate token budgets and model-stacking economics.
The key facts
5 to knowClaude Haiku 5.5 now available on Amazon Bedrock and Claude Platform on AWS
75% cost reduction vs. Claude Haiku 4.5 for most tasks
Positioned for subagents and high-volume, cost-sensitive work
Described as fastest, most efficient model in Claude 5.5 family
Published October 7, 2026
The story so far
Earlier coverage of this storyline
Go to the source
AWS Machine Learning Blogaws.amazon.com
Publisher excerpt: Claude Haiku 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. According to Anthropic, it is the fastest, most efficient model in the Claude 5.5 family, built for subagents and high-volume, cost-sensitive work, and costs around 75% less than Claude Haiku 4.5 for most tasks. This…