Introducing Claude 4 in Amazon Bedrock, the most powerful models for coding from Anthropic

Anthropic launched the next generation of Claude models today—Opus 4 and Sonnet 4—designed for coding, advanced reasoning, and the support of the next generation of capable, autonomous AI agents. Both models are now generally available in Amazon Bedrock, giving developers immediate access to both the model’s advanced reasoning and agentic capabilities.

Amazon Bedrock expands your AI choices with Anthropic’s most advanced models, giving you the freedom to build transformative applications with enterprise-grade security and responsible AI controls. Both models extend what’s possible with AI systems by improving task planning, tool use, and agent steerability.

With Opus 4’s advanced intelligence, you can build agents that handle long-running, high-context tasks like refactoring large codebases, synthesizing research, or coordinating cross-functional enterprise operations. Sonnet 4 is optimized for efficiency at scale, making it a strong fit as a subagent or for high-volume tasks like code reviews, bug fixes ...