Collaborating with Anthropic on Claude Sonnet 4.5 to power intelligent coding agents

Claude Sonnet 4.5, now available on Vercel AI Gateway with full support in AI SDK, offers enhanced capabilities for developers by improving reasoning and coding tasks, particularly in building and linting Next.js applications. This version exhibits better design sensibility, code quality, and agentic coding workflows, which include a higher success rate in Next.js builds, improved linting, and better handling of framework-specific functionalities. In conjunction with the Vercel AI Cloud, it enables a new class of developer workflows where AI can autonomously plan, execute, and ship changes. The new Coding Agent Platform template leverages Claude Sonnet 4.5 to automate task execution within GitHub repositories, providing a multi-agent system that integrates tools like Claude Code and OpenAI Codex CLI. This platform deploys tasks in isolated sandboxes, ensuring secure and efficient execution with real-time progress tracking. Additionally, the Coding Agent Platform template is open-sourced, allowing for community-driven development and extension.

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