Claude Opus 4.5 now in Amazon Bedrock

Anthropic’s newest foundation model, Claude Opus 4.5, is now available in Amazon Bedrock, a fully managed service that offers a choice of high-performing foundation models from leading AI companies. Opus 4.5 is a meaningful step forward in what AI systems can do and sets a new standard across coding, agents, computer use, and office tasks. It outperforms both Sonnet 4.5 and Opus 4.1 while providing Opus-level at one-third the cost.

In this post, I’ll show you what makes this model different, walk through key business applications, and demonstrate how to use Opus 4.5’s new tool use capabilities on Amazon Bedrock. By the end, you’ll understand how to use this model’s capabilities for production agent deployments.

Claude Opus 4.5: What makes this model different

Opus 4.5 is Anthropic’s most advanced model offering in the Opus class, designed for ...