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How we rebuilt Next.js with AI in one week

blog.cloudflare.com

February 24, 2026

15 min read

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68/100

Summary

An engineer and an AI model rebuilt the Next.js framework, resulting in vinext, a drop-in replacement built on Vite that deploys to Cloudflare Workers with a single command. Early benchmarks show vinext builds production apps up to 4x faster and produces client bundles up to 57% smaller.

Key Takeaways

Vinext is a new front-end framework built from scratch using Vite, designed as a drop-in replacement for Next.js, and can be deployed to Cloudflare Workers with a single command.
Early benchmarks show that vinext builds production apps up to 4x faster and produces client bundles up to 57% smaller compared to Next.js.
The development of vinext cost approximately $1,100 in tokens and is already being used by customers in production.
Vinext reimplements the Next.js API surface directly on Vite, avoiding the complexities of adapting Next.js's bespoke tooling.

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Community Sentiment

Mixed

Positives

The rapid development of Next.js with AI for just $1100 in tokens showcases the potential for cost-effective innovation in software development.
This development signifies a shift in how we view coding, emphasizing that code should serve as a tool rather than a product, which could democratize access to technology.
The Cloudflare team's focus on improving performance addresses long-standing community demands, potentially enhancing user satisfaction and engagement.

Concerns

Concerns about the Next.js team's focus on niche features at the expense of the broader community highlight potential misalignment with user needs.
The presence of remote code execution vulnerabilities in Next.js raises significant safety and security concerns regarding the AI-enhanced version.