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

What this post added

Introduces Claude Sonnet 4.5 on Vercel AI Gateway and AI SDK, highlighting its improved performance in Next.js builds, linting, and v0 UI generation. Details the new Coding Agent Platform template, which leverages Vercel Sandbox, Fluid compute, and AI Gateway to enable autonomous coding agents that can plan, execute, and commit code changes within isolated environments. The platform uses Postgres for state persistence and is open-sourced.