Next.js App Router vs Pages Router: Choice for AI Apps
Compare App Router and Pages Router for AI projects. Server Components, streaming and route handlers for LLM integrations.
App Router
React Server Components, Streaming, layouts, Route Handlers. The default for new AI apps with RSC and edge.
Pages Router
File-based routing, getServerSideProps, getStaticProps. Stability for existing projects. No native RSC.
Comparison table
| Feature | App Router | Pages Router |
|---|---|---|
| RSC | Native Server Components | Not available |
| Streaming | Native streaming with Suspense | Custom implementation needed |
| AI/LLM | Route Handlers, Server Actions, streaming | API routes, custom streaming |
Verdict
App Router is the recommended choice for new AI projects. Pages Router remains supported but gets no new features. Migrate when convenient.
Our recommendation
AVARC Solutions starts all new AI projects with App Router. Pages Router only for maintaining existing apps until migration is possible.
Frequently asked questions
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