Claude Sonnet 4.5 now available on Vercel AI Gateway
Claude Sonnet 4.5 is now available on Vercel AI Gateway with full SDK support. The model improves code quality and design sensibility, enabling intelligent coding agents that can plan, execute, and ship changes safely within repositories.
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 linting Next.js applications.Vercel AI GatewayAI SDK
Claude Sonnet 4.5 builds on Anthropic's strengths in reasoning and coding. When paired with the , it powers a new class of developer workflows where AI can plan, execute, and ship changes safely inside your repositories.Vercel AI Cloud
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