Anthropic launched Claude Sonnet 4.5, an AI model designed to act like a collaborative colleague with context-aware, nuanced responses. Enhancing intent understanding, it’s set to boost customer support, content creation, and data analysis, reflecting Anthropic’s focus on safety and human-aligned AI.
Smarter, Ethical Assistance
Sonnet 4.5 outpaces prior models in reasoning and judgment, excelling on SWE-Bench Verified and VitaBench. With ISO 42001 certification, it ensures ethical deployment, integrating seamlessly into workflows via Amazon Bedrock.
Who Gets It and When?
Available now to Amazon Bedrock users, with broader access planned by late 2025. U.S. developers lead the rollout, with global expansion tied to partner integrations.
Redefining Human-AI Partnership
Building on Constitutional AI, this release positions Anthropic against OpenAI and xAI, prioritizing trust and utility. It’s a leap toward AI as a true teammate—one task at a time.
