Anthropic's latest model, Claude Sonnet 4.5, is now generally available on Vertex AI. This advanced model excels at complex tasks, particularly for agents, coding, and computer use. It can operate independently for extended periods, orchestrating tools and coordinating multiple agents. Claude Sonnet 4.5 demonstrates enhanced domain knowledge in coding, finance, research, and cybersecurity. Key applications include automating long-horizon coding projects and proactively patching cybersecurity vulnerabilities. Financial analysis benefits from its ability to monitor regulatory changes and adapt compliance systems. In research, it transforms tools and context into actionable insights and ready-to-use office files. Vertex AI provides a unified platform for building, deploying, and managing AI applications. Features like Agent Development Kit, provisioned throughput, and a million-token context window boost performance and efficiency. Organizations like Augment Code, spring.new, and TELUS are already leveraging Claude on Vertex AI for significant business impact.