Amazon Web Services (AWS) has announced the availability of Claude Sonnet 4.5 in Amazon Bedrock, which joins the existing Claude 4 models available to customers. These hybrid reasoning models (meaning ...
Anthropic released Claude Sonnet 4.5, calling it the best coding model yet. The model scored 77.2% on SWE-bench Verified, rising to 82% with parallel compute. Anthropic claimed improvements on ...