Anthropic’s Claude Sonnet 4.5 is now in Amazon Bedrock

Amazon Bedrock: New Model Release

Customers can now use Claude Sonnet 4.5 in Amazon Bedrock, a fully managed service offering high-performing foundation models. This model excels at complex tasks, coding, and long-horizon tasks while maintaining speed and cost-efficiency.

Key features include:

• Enhanced Instruction Following: Improved accuracy in following instructions.
• Better Code Improvement: Stronger identification of code improvements.
• Stronger Refactoring Judgment: More effective refactoring decisions.
• Effective Code Generation: More production-ready code generation.

Additional features:

• Automatic Context Editing: Automatically clears stale information from past tool calls.
• Memory Tool: Stores and consults information outside the context window to boost accuracy and performance.

What to do

• Read the News Blog for more details.
• Visit the Amazon Bedrock console.
• Check the Anthropic's Claude in Amazon Bedrock product page.
• Review the Amazon Bedrock pricing page.

Source: AWS release notes