Collaborating with Anthropic on Claude Sonnet 4.5 to power intelligent coding agents
Vercel + Anthropic just shipped Claude Sonnet 4.5 integration. Now developers can deploy AI coding agents directly into their repos.

Why it matters
Vercel is converting Claude Sonnet 4.5 into a production developer tool, not just a model. This moves coding AI from chat to automated workflows—repos, CI/CD, and shipping.
The key facts
6 to knowClaude Sonnet 4.5 now available on Vercel AI Gateway with full SDK support
Tested in Vercel v0 and Next.js build pipelines
New Coding Agent Platform template shipped
Measurable improvements in design sensibility and code quality on Next.js linting tasks
Integration enables AI to plan, execute, and ship changes safely in repositories
Published September 29, 2025
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Claude Sonnet 4.5 is now available on with full support in . We’ve been testing the model in v0, across our Next.js build pipelines, and inside our new Coding Agent Platform template. The model shows improvements in design sensibility and code quality, with measurable gains when building and…